Whitby, marine reptiles (Jurassic to of the United Kingdom)

Where: England, United Kingdom (54.5° N, 0.6° W: paleocoordinates 42.4° N, 9.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Alum Shale Formation, Falciferum to Falciferum (183.0 - 175.6 Ma)

• bifrons and falciferum zones, Alum Shale and Jet Rock Formations

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

Size class: macrofossils

Primary reference: R. Tate and J. F. Blake. 1876. The Yorkshire Lias 1-475 [R. Benson/R. Benson/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90459: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.07.2009, edited by Roger Benson, Bethany Allen and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ichthyosauria -
Temnodontosaurus longirostris1 Owen 1881 ichthyosaur
Temnodontosaurus crassimanus2 Blake 1876 ichthyosaur
 Ichthyosauria - Ichthyosauridae
"Leptopterygius acutirostris" = Ichthyosaurus acutirostris1, "Ichthyosaurus acutirostris n. sp." = Ichthyosaurus acutirostris3
"Leptopterygius acutirostris" = Ichthyosaurus acutirostris1 Owen 1840 ichthyosaur
"Ichthyosaurus acutirostris n. sp." = Ichthyosaurus acutirostris3 Owen 1840 ichthyosaur
 Loricata -
"Steneosaurus gracilirostris n. sp." = Plagiophthalmosuchus gracilirostris5, "Teleosaurus chapmanni n. sp." = Plagiophthalmosuchus gracilirostris4, "Steneosaurus brevior n. sp." = Mystriosaurus laurillardi, "Steneosaurus brevior" = Mystriosaurus laurillardi5, "Teleosaurus eucephalus n. sp." = Mystriosaurus laurillardi6, "Steneosaurus bollensis" = Macrospondylus bollensis1, Pelagosaurus brongniarti1, Pelagosaurus typus1
"Steneosaurus gracilirostris n. sp." = Plagiophthalmosuchus gracilirostris5 Westphal 1961 marine crocodile
BMNH 14792 (holotype), 15500, R757, and a specimen in the Whitby Museum; from the Alum Shale Series
"Teleosaurus chapmanni n. sp." = Plagiophthalmosuchus gracilirostris4 Westphal 1961 marine crocodile
"Steneosaurus brevior n. sp." = Mystriosaurus laurillardi Kaup 1837 marine crocodile
Two skulls, including the type (BMNH 1478) and BMNH 20691, from the 'zone of A serpentinus, Whitby' - Jet Rock series according to Westphal (1962)
"Steneosaurus brevior" = Mystriosaurus laurillardi5 Kaup 1837 marine crocodile
Skull from 'zone of A. communis, Whitby'
"Teleosaurus eucephalus n. sp." = Mystriosaurus laurillardi6 Kaup 1837 marine crocodile
Woodwardian Museum, Cambridge
"Steneosaurus bollensis" = Macrospondylus bollensis1 Cuvier 1824 marine crocodile
Pelagosaurus brongniarti1 marine crocodile
Pelagosaurus typus1 Bronn 1841 marine crocodile
 Plesiosauria -
Sthenarosaurus dawkinsi1 Watson 1909 plesiosaur
 Plesiosauria - Microcleididae
"Plesiosaurus homalospondylus" = Microcleidus homalospondylus1, Microcleidus macropterus1
"Plesiosaurus homalospondylus" = Microcleidus homalospondylus1 Owen 1865 plesiosaur
YM
Microcleidus macropterus1 Seeley 1865 plesiosaur
 Plesiosauria - Rhomaleosauridae
Rhomaleosaurus cramptoni1 Carte and Baily 1863 plesiosaur
 Plesiosauria - Pliosauridae
"Rhomaleosaurus longirostris" = Hauffiosaurus longirostris1
"Rhomaleosaurus longirostris" = Hauffiosaurus longirostris1 Tate and Blake 1876 plesiosaur