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 | |
"Rhomaleosaurus longirostris" = Hauffiosaurus longirostris1
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"Leptopterygius acutirostris" = Ichthyosaurus acutirostris1, "Ichthyosaurus acutirostris n. sp." = Ichthyosaurus acutirostris3
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"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
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