Dactylosaurus

Dak-til-o-sore-us.
Published on

Benjamin Gutierrez

Vertebrate Paleontologist

Benjamin Gutierrez is a leading expert on dinosaurs, particularly the mighty theropods. His fieldwork in South America has uncovered new species and provided insights into dinosaur social structures.

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Name

Dactylosaurus ‭(‬Finger lizard‭)‬.

Phonetic

Dak-til-o-sore-us.

Named By

Classification

Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Nothosauroidea,‭ ‬Pachypleurosauria,‭ ‬Pachypleurosauridae.

Diet

Piscivore.

Species

D.‭ ‬gracilis‭

Size

Around‭ ‬20‭ ‬centimetres long.

Known locations

Europe.

Time Period

Anisian of the Triassic.

Fossil representation

Partial post cranial remains of the anterior‭ (‬forward portion‭) ‬skeleton.

In Depth

       Dactylosaurus was one of the smallest known pachypleurosaurs,‭ ‬a group of marine reptiles with close associations to the nothosaurs,‭ ‬though opinions differ‭ ‬on if they should belong within the‭ ‬Nothosauroidea or be separate to them.‭ ‬Dactylosaurus may have been fed upon by other marine reptiles and large fish such as primitive sharks like Hybodus,‭ ‬but it would have been a predator of smaller fish itself.

Further Reading

– The pachypleurosaurid Dactylosaurus schroederi (Diapsida: Sauropterygia). – Canadian Journal of Earth Sciences 22(11): 1602-1608. – H. -D. Sues &r. R. L. Carroll – 1985. – Warstwy kościonośne z Dactylosaurus (Reptilia, Sauropterygia) z retu (trias dolny, olenek) Opolszczyzny (Bonebeds with Dactylosaurus (Reptilia, Sauropterygia) from the R�t (Lower Triassic, Olenekian) in the Opole Silesia region (S Poland). – Przegląd Geologiczny 60 (12): 646–649. – M. Kowal-Linka & A. Bodzioch – 2012A. – New findings of vertebrate remains from the R�t (Lower Triassic, Olenekian) in the vicinity of Gogolin (Opole Silesia, S Poland). [W:] Krasiej�w – inspiracje paleontologiczne / Krasiej�w – paleontological inspirations. E. Jagt-Yazykova, J. Jagt, A. Bodzioch, D. Konietzko-Meier (red.). – Zakład Poligraficzno-Wydawniczy “Plik”, Bytom: 70-80. – M. Kowal-Linka & A. Bodzioch – 2012B. – Genesis of the Lower Triassic bonebeds from Gogolin (S Poland): The impact of microbial mats on trapping of vertebrate remains. – Palaeogeography, Palaeoclimatology, Palaeoecology 466, 38–58. – M. Kowal-Linka & A. Bodzioch – 2017.

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