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Matej Frantisek Calfa

@csapa.bsky.social
109 followers 55 following 33 posts

Artist focusing on paleomammalogy matejfrantisek.calfa.sk

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Matej Frantisek Calfa @csapa.bsky.social · 06/09/2026
My colleague Dr. Csanady and I, have published a new research. It is about cranial and mandibular shape variation in the bank vole (Clethrionomys glareolus) and how it relates to proxies on the bite force. Send me a message and Ill send you the paper! www.researchgate.net/publication/...
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Matej Frantisek Calfa @csapa.bsky.social · 04/09/2026
Trogontherium cuvieri by the sunset, Middle Pleistocene, Carpathian lowland
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Matej Frantisek Calfa @csapa.bsky.social · 30/08/2026
an extremely rare underwater interaction: welsh catfish (Silurus glanis) attacking the beaver Trogontherium cuvieri, Middle Pleistocene, Central Europe.
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Matej Frantisek Calfa @csapa.bsky.social · 29/08/2026
Rigorous illustration of the european water vole (Arvicola amphibius).
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Matej Frantisek Calfa @csapa.bsky.social · 26/08/2026
15min sketch of the large, rather terrestrial castorid (beaver) of Pleistocene Europe, Trogontherium cuvieri. Shown next to a water body nevertheless.
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Matej Frantisek Calfa @csapa.bsky.social · 09/08/2026
A size chart of some forms of the "Ursus spelaeus" lineage in western Europe. Done in 2024
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Matej Frantisek Calfa @csapa.bsky.social · 06/08/2026
Masrasector nananubis - mongoose-sized teratodontine hyaenodont of Priabonian (Late Eocene) North Africa. Painting done in 2025.
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Matej Frantisek Calfa @csapa.bsky.social · 06/08/2026
Proviverra typica - proviverrine hyaenodont of Lutetian (Middle Eocene) France.
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Matej Frantisek Calfa @csapa.bsky.social · 02/08/2026
Eomyodon volkeri, a terrestrial eomyid rodent of Late Oligocene Europe
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Matej Frantisek Calfa @csapa.bsky.social · 01/08/2026
Pleurolicus nelsoni, a member of the obscure entoptychine geomyids ("gophers"), that were more terrestrial than the extant gophers.
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Matej Frantisek Calfa @csapa.bsky.social · 23/07/2026
Hello, I'm a frelance artist/painter from Košice, Slovakia 🇸🇰, with a profound interest in the natural history of rodents, carnivores and others.. as well as history and lores of balto-slavic and uralic societies. I will be delighted to produce an artwork for you! contact: trogopterus@gmail.com
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Matej Frantisek Calfa @csapa.bsky.social · 29/03/2026
Parapodemus, a wood mouse of Late Miocene, Europe
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Matej Frantisek Calfa @csapa.bsky.social · 23/11/2025
Apterodon langebadreae
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Matej Frantisek Calfa @csapa.bsky.social · 07/11/2025
the extant Reeves's muntjac (Muntiacus reevesi)
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Matej Frantisek Calfa @csapa.bsky.social · 07/11/2025
Hystrix vinogradovi - extinct porcupine species of Pleistocene Ural mountains, Russia
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Matej Frantisek Calfa @csapa.bsky.social · 25/10/2025
Vulpes mathisoni - extinct species of fox of Pliocene Ethiopia
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Matej Frantisek Calfa @csapa.bsky.social · 22/10/2025
Vulpes riffautae - an extinct fox species of Late Miocene Chad.
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