Palaeocast artwork

Palaeocast

230 episodes - English - Latest episode: about 1 month ago - ★★★★★ - 152 ratings

A free webseries exploring the fossil record and the evolution of life on Earth.

Natural Sciences Science Education Courses education evolution paleontology science dinosaurs fossils geology palaeontology paleo
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Episodes

Episode 160: An introduction to Evolutionary Biology

March 22, 2024 11:41 - 1 hour - 93.2 MB

The field of evolutionary biology has been greatly influenced by the development of modern genetic methodology. The understanding of genes, genomes and the molecular mechanisms key to life on Earth are all goals of evolutionary biology in the 21st century, yet its potential applications seem to be near limitless. Palaeontology and evolutionary biology continue to be closely related and both, with their deeply rooted origins, have been essential to our understanding of macroevolution (major ...

Episode 159: An Introduction to Palaeontology

February 19, 2024 15:10 - 1 hour - 88 MB

In 12 years of podcasting, we have never actually taken the time to address the fundamentals of our field. Such questions could include: what is palaeontology, what is a fossil, how does one become a palaeontologist, and why is palaeontology important? For what should have been our very first episode, we've invited Prof. Roy Plotnick, University of Illinois Chicago, to help us outline everything you need to know about the field of palaeontology. Roy has had a long and varied palaeontologic...

200 Years of Dinos

February 07, 2024 18:52 - 58 minutes - 80.3 MB

It's been two centuries since the first dinosaur, Megalosaurus, was named by William Buckland and to commemorate the date, the Natural History Museum hosted '200 Years of Dinosaurs: Their Rise, Fall, and Rebirth'. This international conference provides a snapshot of dinosaur research in 2024, demonstrating just how far our understanding of this group has come since 1824. In our coverage of this event, we speak to many of the leading palaeontologists in the field, as we look back over the l...

Episode 158: Ceoptera evansae

February 06, 2024 21:47 - 37 minutes - 51.7 MB

The Middle Jurassic is incredibly important to our understanding of pterosaur evolution; however, the remarkable rarity and incompleteness of Middle Jurassic pterosaurs has long hampered scientific understanding of the lineage. Joining us this episode on the other side of the microphone is one of Palaeocast’s own team members, Dr Liz Martin Silverstone, a Technical Specialist at the University of Bristol who has recently described Ceoptera evansae, a darwinopteran pterosaur from the Isle...

Episode 157: The Carnegie Diplodocus

December 08, 2023 17:28 - 49 minutes - 67.7 MB

Originally mounted in 1907, the Carnegie specimen is the best example of the sauropod dinosaur Diplodocus, and perhaps the most famous dinosaur skeleton in the world. Casts of the specimen, including the London example known as “Dippy”, were distributed around the world during the early 1900s, and a final concrete cast was even created in 1957 for the Utah Field House at Vernal. Although the moulds used to create these casts were lost sometime during the 1960’s, new ones created from the c...

Life On Our Planet 8.4 - Dan Tapster

November 09, 2023 02:46 - 37 minutes - 51.3 MB

LOOP 8.4: LOOP Showrunner Dan Tapster returns to give a retrospective on the series and its production. We look at went well and address criticisms; is it possible to keep everyone happy? We finish this series by discussing the show’s take-home messages and Dan’s hopes for Life On Our Planet’s legacy. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely am...

Life On Our Planet 8.3 - Sophie Lanfear

November 09, 2023 02:37 - 33 minutes - 46.2 MB

LOOP 8.3: Episode 8’s producer, Sophie Lanfear, joins us again to describe how difficult it was to wrap the series up, having to balance telling the story of the last ice age with conveying the message of the series. We speak about climate change and the 6th mass extinction and try to find any positives. Ultimately, if documentaries keep having to make this point, is the message really getting through? Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films...

Life On Our Planet 8.2 - Prof. Danielle Schreve

November 09, 2023 02:30 - 33 minutes - 45.8 MB

LOOP 8.2: Prof. Danielle Schreve, Royal Holloway University of London, joins us to cover the last 2 million years of Earth’s history. We explore the periodicity of glacials and interglacials and the control Earth’s orbit around the sun has on climate. She then places the Holocene’s megafaunal extinctions and major palaeobiogeograpical events within this climatic context. We finally look at the impact of human radiation on the world and the lessons we can learn from this time. Life On Our P...

Life On Our Planet 8.1 - Introduction

November 09, 2023 02:25 - 13 minutes - 19.4 MB

LOOP 8.1: Dave and Tom introduce episode 8 and round of this special series on Life On Our Planet. We talk about our favourite scenes and reflect on our time working on the documentary and how our perspectives of documentary making has changed. We’d love your feedback on this podcast series. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely ambitious in...

Life On Our Planet 7.3 - Darren Williams

November 07, 2023 21:28 - 37 minutes - 51.9 MB

LOOP 7.3: We’re taken into the field to film snow leopards by episode 7’s Assistant Producer, Darren Williams. He reveals how difficult it is to get just a few minutes of video, both logistically and practically. We get to know the ‘old male’ snow leopard, trace his movements, and learn of his importance to the community. Darren then speaks about the emotional conflict of capturing his final moments on film. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback...

Life On Our Planet 7.2 - Prof. Christine Janis

November 07, 2023 21:22 - 25 minutes - 35.5 MB

LOOP 7.2: Prof. Christine Janis, University of Bristol, outlines mammalian evolution and focusses on the global events that governs their radiation. We look at why mammals survived the K-Pg mass extinction and how the archaic mammals radiated immediately after. We end by looking at how mammals, similar to what we learned about birds, are relatively insignificant to today’s ecosystems. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Televi...

Life On Our Planet 7.1 - Introduction

November 07, 2023 21:01 - 14 minutes - 19.9 MB

LOOP 7.1: In the introduction to episode 7, Dave and Tom just about keep it together whilst reflecting on the most emotional scene of the show. We also celebrate the inclusion of the Antarctic Circumpolar Current in the series, before giving it a little rebranding to make the science even more approachable. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hug...

Life On Our Planet 6.4 - Dr Anjan Bhullar

November 07, 2023 00:07 - 31 minutes - 43.7 MB

LOOP 6.4: Prof. Anjan Bhullar continues his overview of avian evolution with a look at how the birds fared after the K-Pg mass extinction. What was it that allowed birds to survive when the non-avian dinosaurs died out? Why didn’t they just become dinosaurs again? What have birds been able to achieve in the time since and how important are they to modern ecosystems. Not an episode to be missed (unless you’re Prof. Dan Field). Life On Our Planet (LOOP) is a new 8-part series created for Net...

Life On Our Planet 6.3 - Edd Dyer

November 06, 2023 23:38 - 23 minutes - 32.1 MB

LOOP 6.3: Documentary research takes you down a lot of unexpected avenues. If you’re recreating something like the Chicxulub impact and the K-Pg mass extinction, then you need to be able to provide answers for things you didn’t even know were questions. What colour was the asteroid? How bright was the flash? How long does it take to cook a Triceratops to death? Silverback Films researcher Edd Dyer returns to discuss the difficulties of finding such information. Life On Our Planet (LOOP) is...

Life On Our Planet 6.2 - Dr Anjan Bhullar

November 06, 2023 23:14 - 29 minutes - 41 MB

LOOP 6.2: Dr Anjan Bhullar, Yale University, returns to speak further about dinosaurs. He’s pressed on where he’d draw the line between dinosaur and bird, or whether there should even be a distinction between them at all. At what point does flight evolve and was it ‘ground up’ or ‘tree down’? We find out that none of these questions are simple. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced seri...

Life On Our Planet 6.1 - Introduction

November 06, 2023 22:22 - 8 minutes - 12.3 MB

LOOP 6.1: Dave and Tom introduce us to episode 6 of Life On Our Planet and the pair touch upon the Chicxulub impact and the radiation of birds into the Cenozoic. Dave curtails the introduction with one of his worst puns yet. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely ambitious in its scope, telling the story of life throughout the whole Phanerozo...

Life On Our Planet 5.3 - Dr Anjan Bhullar

November 05, 2023 17:47 - 43 minutes - 60.5 MB

LOOP 5.3: We’re exploring feather evolution with Dr Anjan Bhullar, University of Yale. We trace feathers up the theropod family tree and question whether or not they would be present in ALL dinosaurs. Anjan does NOT sit on the fence with this question or any other. Were dinosaurs brightly coloured? How intelligent were they? Do not miss some of these mind-blowing insights! Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This S...

Life On Our Planet 5.2 - Barny Revill

November 05, 2023 17:43 - 41 minutes - 57.6 MB

LOOP 5.2: Producer Barny Revill returns to talk about his second episode. With the public spotlight firmly fixated on the dinosaurs, how much effort had to go into their GCI models and does the reputation of the series depend on getting them right? In light of this, how much room is there for telling the stories of other groups of organisms? Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series,...

Life On Our Planet 5.1 - Introduction

November 05, 2023 17:36 - 21 minutes - 29.8 MB

LOOP 5.1: It’s episode 5 and Dave and Tom are pronouncing dinosaur names all wrong. Does any actually pronounce it “Deinonychus”? Dave reveals why Netflix chose Morgan Freeman as narrator over himself, Tom talks about the complexity of producing CGI feathers and we address T. rex controversies. Finally, we’re served up a confusing ‘dinosaur sandwich’ metaphor. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielbe...

Life On Our Planet 4.3 - Prof. Peter Falkingham

October 28, 2023 09:44 - 24 minutes - 33.7 MB

LOOP 4.3: Prof. Peter Falkingham, Liverpool John Moores University, was the consultant biomechanist for the series. He introduces us to the importance of biomechanics in CGI, but more widely in determining the physical capabilities of different animals. You need to have a full understanding of the anatomy of the animal, yes, but also the context on the media through which it is moving. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Telev...

Life On Our Planet 4.2 - Barny Revill

October 28, 2023 09:38 - 38 minutes - 53.2 MB

LOOP 4.2: We get down to details with Producer Barny Revill and analyse some of the different elements of episode 4: What were the challenges of working in such inhospitable environments? How do you recreate a flood of biblical proportions? How did you guide Industrial Light and Magic in the creation of their CGI models? Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan F...

Life On Our Planet 4.1 - Introduction

October 28, 2023 09:29 - 13 minutes - 18.6 MB

LOOP 4.1: Against the odds, we’ve all made it through the PTME. It’s now time to focus on episode 4, with the reptiles and their adaptation to different environments. We touch upon biomechanics and crank up the VFX dial to 11. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely ambitious in its scope, telling the story of life throughout the whole Phanero...

Life On Our Planet 3.4 - Ida-May Jones

October 27, 2023 09:27 - 12 minutes - 17.8 MB

LOOP 3.4: With researcher Ida-May Jones, we explore the Venn diagram of academic and documentary research. She introduces us to the strawberry dart frogs and the extraordinary lengths that mothers will go to to care for their young. With such high-tech equipment to record behaviours, it’s unsurprising that something new might be encountered! Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series,...

Life On Our Planet 3.3 - Prof. Mike Benton

October 27, 2023 09:23 - 38 minutes - 53.1 MB

LOOP 3.3: Prof. Mike Benton, University of Bristol, gives us an overview of the major events in tetrapod evolution. He reveals some of the surprising traits that lobe-finned fishes ‘pre-possessed’ that were re-purposed for use on land. But were the biggest hurdles to terrestrialisation oxygen, moisture or gravity? We follow through the evolution of tetrapods into their many groups before the ‘Great Dying’ almost ends it for all of them. Life On Our Planet (LOOP) is a new 8-part series crea...

Life On Our Planet 3.2 - Sophie Lanfear

October 27, 2023 09:19 - 34 minutes - 47.2 MB

LOOP 3.2: Producer Sophie Lanfear gives us our first insights into how documentaries are shaped. She tells us about the enormous scope of episode three and the difficulty of trying to fit in so many significant events. We analyse her use of emotion throughout the episode and she explains why she opted to use comedy. Finally, we look at the problem of anthropomorphism in documentaries. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Televi...

Life On Our Planet 3.1 - Introduction

October 27, 2023 09:11 - 11 minutes - 16.5 MB

LOOP 3.1: We introduce episode three of Life On Our Planet and discuss one of the most significant stories in the series. We’re in agreement that lichens are the unsung heroes of the whole series and that Arthropleura is the crunchiest animal to ever exist. We talk about the ‘fishapod’ Strepsodus and its locomotion. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freema...

Life On Our Planet 2.4 - Edd Dyer

October 26, 2023 10:51 - 23 minutes - 33.1 MB

LOOP 2.4: Silverback researcher Edd Dyer joins us to introduce us to his part in the creation of the series. The title ‘researcher’ really doesn’t do justice to the incredible scope of his role which includes far more than just looking up facts. We talk about his route into the industry and the necessary skills for the job. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morga...

Life On Our Planet 2.3 - Dr Tom Fletcher

October 26, 2023 10:47 - 14 minutes - 20.1 MB

LOOP 2.3: Hydrodynamicist Dr Tom Fletcher, Silverback Films, returns to explore the science behind Dunkleosteus. How much of the fossil is known? How does the model compare to the latest reconstruction of the animal? How much of the design is dictated by hydrodynamics? and is Dave ironically cool? Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely ambiti...

Life On Our Planet 2.2 - Prof. Christian Klug

October 26, 2023 10:40 - 40 minutes - 55.2 MB

LOOP 2.2: Prof. Christian Klug, University of Zurich, is our first academic guest. He introduces us to the Cambrian explosion, the Great Ordovician Biodiversification Event and the Late Ordovician Mass Extinction. Christian is an expert on cephalopods and he tells us more about their biology and his thoughts on the vertical orientation of Cameroceras in this series. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven S...

Life On Our Planet 2.1 - Introduction

October 26, 2023 10:34 - 7 minutes - 11 MB

LOOP 2.1: We introduce episode two of Life On Our Planet and discuss our roles in its creation. We’re down deep in the geological time with all the “crunchy and squishy” organisms. We talk about our favourite scenes, jellyfish reproduction and the proper pronunciation of cephalopod. Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely ambitious in its scop...

Life On Our Planet 1.2 - Dan Tapster

October 25, 2023 14:34 - 16 minutes - 22.3 MB

In LOOP 1.2 we are joined by showrunner Dan Tapster. He’s the one responsible for pulling everything together, designing the story and creating the best production team. We learn about how LOOP first got started, why both CGI and modern footage was used, and how to cram billions of years of evolution into just 8 episodes.   Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Mor...

Life On Our Planet 1.1 - Introduction

October 25, 2023 13:20 - 20 minutes - 28.2 MB

Life On Our Planet (LOOP) is a new 8-part series created for Netflix by Silverback Films and Amblin Television. This Steven Spielberg produced series, narrated by Morgan Freeman, is hugely ambitious in its scope, telling the story of life throughout the whole Phanerozoic Eon. Ancient organisms and environments are painstakingly recreated by the supremely talented Industrial Light and Magic, whilst modern natural history scenes add vital context to the story. This show has been worked on fo...

Episode 156: Bird Necks

October 08, 2023 17:27 - 1 hour - 94.1 MB

Episode 155: The Byron Dig Pt2

June 01, 2023 21:07 - 1 hour - 95.3 MB

Following up on an initial discovery of ice-age remains in Byron, New York, in the 1950's, Dr Richard Laub took on the task of systematically excavating the 'Hiscock Site' for the Buffalo Museum of Science. Fieldwork commenced in 1983, but as more and more fossils were discovered at the site, the 'Byron Dig', as it became known, would continue for almost three decades. In that time, countless numbers of significant Late Pleistocene and Holocene discoveries were made, including those of masto...

Episode 154: The Byron Dig Pt1

May 15, 2023 20:14 - 1 hour - 84.5 MB

Following up on an initial discovery of ice-age remains in Byron, New York, in the 1950's, Dr Richard Laub took on the task of systematically excavating the 'Hiscock Site' for the Buffalo Museum of Science. Fieldwork commenced in 1983, but as more and more fossils were discovered at the site, the 'Byron Dig', as it became known, would continue for almost three decades. In that time, countless numbers of significant Late Pleistocene and Holocene discoveries were made, including those of mast...

Episode 153: Castle Bank

May 01, 2023 16:00 - 1 hour - 103 MB

A new Ordovician lagerstätte (site of special fossil preservation) has just been described from Llandrindod Wells, Wales. The site contains the remains of well over 150 different species, most of which are entirely new to science. It is dated to around 461 million years old, placing it at a critical point in life's evolution: the Great Ordovician Biodiversification Event. This is even more significant, considering the relative sparsity of lagerstätten of this time. We are joined in this in...

Episode 152: Lissamphibian Origins Pt2

January 25, 2023 21:47 - 55 minutes - 76.6 MB

Part 2. Caecilians, sometimes known as ‘blind worms’, are a lesser-known group of lissamphibians (all living amphibians). Most modern caecilians are all fossorial (burrowing) and are restricted to the moist soils and leaf litter of tropical forests. Adaptation to this specific ecology has led to radical modification of their bodies, from fusion of the bones in the head and the function of the jaw, to the loss of limbs and development of unique sensory organs. The fossil record of caecil...

Episode 151: Lissamphibian Origins Pt1

January 25, 2023 21:36 - 53 minutes - 74 MB

Caecilians, sometimes known as ‘blind worms’, are a lesser-known group of lissamphibians (all living amphibians). Most modern caecilians are all fossorial (burrowing) and are restricted to the moist soils and leaf litter of tropical forests. Adaptation to this specific ecology has led to radical modification of their bodies, from fusion of the bones in the head and the function of the jaw, to the loss of limbs and development of unique sensory organs. The fossil record of caecilians is inc...

Episode 150: Palaeoart in Pop Culture Pt3

January 19, 2023 19:06 - 33 minutes - 46 MB

Palaeontology (dinosaurs in particular) are incredibly well represented in nearly all forms of popular media today. From documentaries and films to computer games and even specialist podcasts. But where did the public fascination in dinosaurs come from? Has it always been there, ever since the existence of dinosaurs was first revealed, or has interest grown cumulatively with every public engagement milestone. This third and final part examines the need for modern films and documentaries to...

Episode 149: Palaeoart in Pop Culture Pt2

January 01, 2023 20:27 - 34 minutes - 47.2 MB

Palaeontology (dinosaurs in particular) are incredibly well represented in nearly all forms of popular media today. From documentaries and films to computer games and even specialist podcasts. But where did the public fascination in dinosaurs come from? Has it always been there, ever since the existence of dinosaurs was first revealed, or has interest grown cumulatively with every public engagement milestone. In this second part of a special three-part episode, Vicky Coules talks all about...

Episode 148: Palaeoart in Pop Culture Pt1

December 15, 2022 20:36 - 36 minutes - 50.2 MB

Palaeontology (dinosaurs in particular) are incredibly well represented in nearly all forms of popular media today. From documentaries and films to computer games and even specialist podcasts. But where did the public fascination in dinosaurs come from? Has it always been there, ever since the existence of dinosaurs was first revealed, or has interest grown cumulatively with every public engagement milestone. In this special three-part episode of Palaeocast, guest host Dr Suresh Singh inte...

Episode 147: Palaeo Gaming Pt2

November 15, 2022 18:45 - 30 minutes - 42 MB

Computer games are a colossal industry, eclipsing those of both film and music combined. With so many people playing games, and with so many titles focussing on palaeontological themes, should we be concerned about the accuracy and quality of their content? Joining us for the second part of this interview are Thomas Clements and Jake Atterby, lead authors on a paper in which they address this issue as communicators of science. We discuss what some of the most common negative tropes within ...

Episode 146: Palaeo Gaming Pt1

October 21, 2022 17:51 - 40 minutes - 55.5 MB

Computer games are a colossal industry, eclipsing those of both film and music combined. With so many people playing games, and with so many titles focussing on palaeontological themes, should we be concerned about the accuracy and quality of their content? Joining us for this episode are Thomas Clements and Jake Atterby, lead authors on a paper in which they address this issue as communicators of science. We discuss what some of the most common negative tropes within these games are, wh...

Episode 145: Scleromochlus

October 05, 2022 16:38 - 48 minutes - 67.1 MB

Scleromochlus is an animal that has been known for over 100 years, and has been frequently suggested as being an ancestor to pterosaurs. It hails from the Late Triassic of Scotland, and there are fewer than 10 specimens known. Unfortunately the preservation of this small reptile means that it is very difficult to interpret. However, thanks to the wonders of modern technology and CT scanning, new evidence from Scleromochlus reveals new anatomical insights, and further supports Scleromochlus ...

Episode 144: Russell's Dinosauroid

September 15, 2022 09:06 - 1 hour - 93.8 MB

Episode 143: The Palaeontographical Society Pt2

September 08, 2022 14:12 - 19 minutes - 27.2 MB

Episode 142: The Palaeontographical Society Pt1

August 16, 2022 12:56 - 59 minutes - 81.7 MB

This year marks the 175th anniversary of The Palaeontographical Society. Having been established in 1847, PalSoc is the world’s oldest Society devoted specifically to the advancement of palaeontological knowledge in existence. The primary role of Pal Soc is to promote the description and illustration of British fossils, which it does through monographs. In the first part of this two-part episode, we speak to Dr Victor Monin a historian of science who specialises in the history of palaeonto...

Episode 141: Bolca Fish

July 15, 2022 22:43 - 1 hour - 83.8 MB

Bolca is a site of exceptional preservation of fossils (termed a konservat lagerstätte) located close to Verona, Italy. This 50 million year old limestone was deposited in the Eocene Epoch and contains over 500 species of plants, arthropods terrestrial vertebrates and most notably a lot of fish! The preservation at Bolca is so detailed that even the external colouration of the skin and internal anatomy of many of these fossils can be seen. Exploring the taphonomy (the processes that occur ...

Episode 140: Aquatic Spinosaurids

June 20, 2022 18:36 - 1 hour - 86.6 MB

In the last few years there has been lots of new work on the iconic Spinosaurus - was it aquatic? What about its relatives? What kind of evidence can we look at to tell us this answer? In this episode we speak with Dr. Matteo Fabbri, from the Field Museum of Chicago, who has been working on Spinosaurus and other relatives and has recently published a detailed study supporting the idea that some spinosaurids were likely a swimming, aquatic dinosaur at least part of the time. He walks us throu...

Episode 139: Marrellomorphs

May 16, 2022 20:51 - 52 minutes - 72.7 MB

Marrellomorphs are the group of early Paleozoic arthropods that get their name from the well-known Burgess Shale fossil Marrella splendens. They have for a long time been considered to be closely related to the trilobites, based on similarities in their gills, but numerous studies have since suggested they are closer related to mandibulate arthropods (crustaceans, insects & myriapods), although their strange appearance means other relationships might still be plausible. Since they have a s...