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Reposted by Ruairidh Duncan

BranArtworks|🐳🐬🦭🎨 @branartworks.bsky.social · 18/08/2025

Janjucetus dullardi, a fantastic, newly described mammalodontid mysticete from the oligocene of Australia! #paleoart #sciart

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Ruairidh Duncan @inxcetus.bsky.social · 15/08/2025

"I sleep in a racing car, do you?"

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Reposted by Ruairidh Duncan

Robert Boessenecker, Dr. of Whaleontology ™️ @coastalpaleo.bsky.social · 13/08/2025

#whalewednesday New paper - introducing the new toothed baleen whale from down under, Janjucetus dullardi - a 26 myo juvenile specimen closely related to the more completely preserved Janjucetus hunderi, published yesterday by @inxcetus.bsky.social. Read it here: academic.oup.com/zoolinnean/a...

The skull fragments and teeth of Janjucetus dullardi.

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Ruairidh Duncan @inxcetus.bsky.social · 13/08/2025

A few years in the making, but I can finally share my first PhD paper and my first ever first-authored whale paper. In it, we name a new species of toothed baleen whale: Janjucetus dullardi. You can find our conversation article here: tinyurl.com/dullardi

tinyurl.com

A cornucopia of tiny, bizarre whales used to live in Australian waters – here’s one of them

If alive today, these tiny whales would be as iconically Australian as kangaroos.

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Reposted by Ruairidh Duncan

Robert Boessenecker, Dr. of Whaleontology ™️ @coastalpaleo.bsky.social · 06/01/2025

🐬🦖 New paper by Cedillo-Avila et al. in Palaeo-Electronica: newly named eomysticetid baleen whale from the Oligocene of Baja California, Cochimicetus convexus! Elated to see another eomysticetid named from the Pacific coast. Read it here: palaeo-electronica.org/content/in-p...

Photographs of the skull and mandible of Cochimicetus convexus in dorsal view - like other baleen whales, the skull resembles a surfboard in shape. Unlike modern species, the blowhole is located very far anteriorly and there are very large temporal fossae.

Photographs of the skull and mandible of Cochimicetus convexus in ventral view - the palate is broadly exposed here and is long and flat.

Cladogram or evolutionary tree for the study, showing eomysticetid whales, including Cochimicetus, as a single clade. toothed baleen whales are positioned further down the tree, along with dolphins and an archaeocete.

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Reposted by Ruairidh Duncan

Raphael Lacoste @raphaellacoste.bsky.social · 12/12/2024

New Artwotk - " Migration "

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Reposted by Ruairidh Duncan

Rudolf Hima @himarudolf.bsky.social · 05/12/2024

seafood.

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Reposted by Ruairidh Duncan

Eric Ekdale @eekdale.bsky.social · 04/12/2024

I have a new paper out on the evolution of hearing in toothed whales! It looks like a narrow range of high-frequency auditory sensitivity in some living dolphins and porpoises may be an ancestral physiology rather than novel specializations in select groups. onlinelibrary.wiley.com/doi/10.1111/...

onlinelibrary.wiley.com

Variation in whale (Cetacea) inner ear anatomy reveals the early evolution of “specialized” high‐frequency hearing sensitivity

Our findings support sensitivity to low-frequency sound in the archaeocete Zygorhiza kochii and an early toothed mysticete cf. Aetiocetus. Narrow-band high-frequency hearing was present in Oligocene ...

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Ruairidh Duncan @inxcetus.bsky.social · 03/11/2023

Thrilled to have been a co-author and palaeoartist on my good friend Jake Kotevski's first PhD chapter (who does not use Bluesky). Always nice to have a reason to draw some theropod dinosaurs 🦖 doi.org/10.1016/j.cr...

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Reposted by Ruairidh Duncan

c0nc0rdance @c0nc0rdance.bsky.social · 07/09/2023

All cetaceans are classified as "even-toed ungulates" (Order: Artiodactyla), while horses are "odd-toed ungulates" (Order: Perissodactyla). That means a giraffe is more closely related to a narwhal (58 MYA) than to a zebra (76 MYA). (diagram by K. L. Mariott)

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Reposted by Ruairidh Duncan

Dr James Rule @palaeo-jrule.bsky.social · 04/09/2023

New paper by my colleagues and I on the reproductive anatomy of a leopard seal 🦭 Leopard seal reproduction is mostly unknown. This note from a Monash Uni dissection discusses the importance of morphology in providing some clues. Open access paper here: doi.org/10.1111/mms....

doi.org

https://doi.org/10.1111/mms.13067

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Ruairidh Duncan @inxcetus.bsky.social · 04/09/2023

Hello new social media hellscape! I'm Ruairidh, a palaeontology PhD candidate and palaeoartist (of sorts) at Monash University and Melbourne Museum studying toothed baleen whales. I like DS9 and making weird animals out of other animals. Please share all the cool science and art with me! 🐋🖖🦖

Fucaia goedertorum, a small toothed baleen whale from the Pacific northwest around 30-25 million years ago. Its mouth be agape and it be looking chuffed.

A humpback whale with its mouth open in the act of lunge feeding, with the throat expanding due to incoming water. Best animal, fight me.

A Victorian polar megaraptor walking towards the viewer. Reconstructed as a dark brown, large clawed meat eating dinosaur with beige stripes increasing in prominence from the torso to the tail and with speculative red head crests.

A porgerbear chimeara, a combination of: puffin, polar bear, tyrannosaur, beluga, and porg (those feathered, gremlin-looking jellybeans from the sequel trilogy)

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