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. 2024 Apr 30;12:e17277. doi: 10.7717/peerj.17277

Table 1. List of Jurassic and Early Cretaceous Fossil Squamates.

Fossil squamate species from Jurassic and early Cretaceous localities (see Evans, 2003; Xing et al., 2018 for similar compilations).

Species Age Locality Depositional environment Source
Ardeosaurus brevipes Tithonian, Late Jurassic
(150.8–145.5 Ma)
Solnhofen Limestone, Germany Lagoon Estes (1983)
Ardeosaurus digitatellus Tithonian, Late Jurassic
(150.8–145.5 Ma)
Solnhofen Limestone, Germany Lagoon Hoffstetter (1964)
Balnealacerta silvestris Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Kirtlington Cement Works Quarry, Oxfordshire, United Kingdom Mixed coastal lake and pond Evans (1998)
Bavarisaurus macrodactylus Tithonian, Late Jurassic
(150.8–145.5 Ma)
Solnhofen Limestone, Germany Lagoon Estes (1983)
Becklesius hoffstetteri Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Guimarota Mine, Leiria, Portugal
Alcobaca formation, Portugal
Lagoon Seiffert (1975)
Bellairsia gracilis Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Kirtlington Cement Works Quarry, Oxfordshire, United Kingdom Mixed coastal lake and pond Evans (1998)
Bharatagama rebbanensis Toarcian, Early Jurassic
(183.0–171.6 Ma)
Kota Formation, Paikasigudem, India Terrestrial: claystone and sandstone Evans, Prasad & Manhas (2002)
But see: Conrad (2018)
Changetisaurus estesi Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Balabansai formation, Jalal-Abad, Krygyzstan Terrestrial: red claystone Federov & Nessov (1992)
Diablophis gilmorei Kimmeridgian, Late Jurassic
(150.8–145.5 Ma)
Morrison Formation, Colorado USA Fluvial Evans (1996)
Dorsetisauridae sp. Kimmeridgian, Late Jurassic
(155.7–145.5 Ma)
Morrison Formation, Como Bluff, Wyoming Fluvial Prothero & Estes (1980)
Dorsetisaurus purbeckensis Kimmeridgian, Late Jurassic
(155.7–145.5 Ma)
Middle Berriasian, Early Cretaceous (145–140.2 Ma)
Alcobaça Formation, Portugal
Lulworth Formation, England, United Kingdom
Lagoon
Marine
Hoffstetter (1967)
Durotrigia triconidens Oxfordian, Late Jurassic
(161.2–155.7 Ma)
Cordebugle, Lisieux, Basse-Normandie, France coarse channel fill; concretionary, ferruginous, conglomeratic sandstone Hoffstetter (1967)
Eichstaettisaurus schroederi Tithonian, Late Jurassic
(150.8–145.5 Ma)
Solnhofen Limestone, Germany Lagoon Hoffstetter (1964)
Eophis underwoodi Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Kirtlington Cement Works Quarry, Oxfordshire, United Kingdom Mixed coastal lake and pond Caldwell et al. (2015)
Eoscincus ornatus Tithonian, Late Jurassic
(150–145 Ma)
Morrison Formation, Dinosaur National Monument, Utah Fluvial Brownstein et al. (2022)
Hongshanxi xiei Oxfordian, Late Jurassic
(161.2–155.7 Ma)
Tiaojishan Formation, Guanchaishan, China Lacustrine Dong et al. (2019)
Introrsisaurus pollicidens Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Guimarota Mine, Leiria, Portugal
Alcobaca formation, Portugal
Lagoon Hoffstetter (1967)
Microteras borealis Tithonian, Late Jurassic
(150–145 Ma)
Morrison Formation, Dinosaur National Monument, Utah Fluvial Brownstein et al. (2022)
Oxiella tenuis Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Kirtlington Cement Works Quarry, Oxfordshire, United Kingdom Mixed coastal lake and pond Evans (1998)
Palaeolacerta bavarica Tithonian, Late Jurassic
(150.8–145.5 Ma)
Solnhofen Limestone, Germany Lagoon Estes (1983)
Parviraptor estesi Bathonian, Late Jurassic
(167.7–164.7 Ma)
Kirtlington Cement Works Quarry, Oxfordshire, United Kingdom Mixed coastal lake and pond Evans (1994)
Paramacellodus oweni Kimmeridgian, Late Jurassic
(155.7–145.5 Ma)
Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Morrison Formation, Como Bluff, Wyoming
Dinosaur National Monument, Utah
Kilmaluag Formation, Scotland
Fluvial
Lagoon
Hoffstetter (1967)
Evans & Chure (1998)
Waldman & Savage (1972)
Paramacellodidae indet. Upper Jurassic
(161.2–145.5 Ma)
Tendaguru Formation, Tanzania Sandstone Broschinski (1999)
Portugalophis lignites Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Guimarota Mine, Leiria, Portugal
Alcobaca formation, Portugal
Coal swamps Caldwell et al. (2015)
Saurillodon marmorensis Bathonian, Middle Jurassic
(167.7–164.7 Ma)
Kirtlington Cement Works Quarry, Oxfordshire, United Kingdom Mixed coastal lake and pond Evans (1998)
Saurillodon proraformis Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Guimarota Mine, Leiria, Portugal
Alcobaca formation, Portugal
Lagoon Estes (1983)
Saurillus henkeli Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Guimarota Mine, Leiria, Portugal
Alcobaca formation, Portugal
Lagoon Seiffert (1975)
Saurillus obtusus Kimmeridgian, Late Jurassic
(155.7–150.8 Ma)
Guimarota Mine, Leiria, Portugal
Alcobaca formation, Portugal
Lagoon Seiffert (1975)
Schillerosaurus utahensis Kimmeridgian, Late Jurassic
(155.7–145.5 Ma)
Morrison Formation, Dinosaur National Monument, Utah Fluvial Nydam, Chure & Evans (2013)
Schoenesmahl dyspepsia Tithonian, Late Jurassic
(150.8–145.5 Ma)
Solnhofen Limestone, Germany Lagoon Conrad (2018)
Sharovisaurus karatauensis Oxfordian, Late Jurassic
(161.2–150.8 Ma)
Kerabastau formation, Kazakhastan Lacustrine Hecht & Hecht (1984)
Becklesius cataphractus Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Lacustrine Richter (1994b)
Cuencasaurus estesi Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Lacustrine Richter (1994b)
Dalinghosaurus longidigitus Late Barremian, Early Cretaceous 130–125.5 Ma Yixian Formation, Liaoning, China Fluvial Evans & Wang (2005)
Hoyalacerta sanzi Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Lacustrine Evans & Barbadillo (1999)
Jucaraseps grandipes Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Lacustrine Bolet & Evans (2012)
Liushusaurus acanthocaudata Late Barremian, Early Cretaceous 130–125.5 Ma Yixian Formation, Liaoning, China Lacustrine Evans & Wang (2010)
Meyasaurus crusafonti Late Barremian, Early Cretaceous 130–125.5 Ma La Pedrera de Meià, El Montsec, Spain Lacustrine Evans & Barbadillo (1996)
Meyasaurus diazromerali Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Lacustrine Evans & Barbadillo (1997)
Meyasaurus faurai Late Barremian, Early Cretaceous 130–125.5 Ma La Pedrera de Meià, El Montsec, Spain Lacustrine Evans & Barbadillo (1996)
Meyasaurus unaensis Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Alluvial Richter (1994a)
Norellius nyctisaurops Late Barremian, Early Cretaceous 130–125.5 Ma Öösh Formation, Ovorkhangai, Mongolia Terrestrial Conrad & Daza (2015)
Pseudosaurillus becklesi Middle Berriasian 145.5–140.2 Ma Lulworth Formation, England, UK Marine Hoffstetter (1967)
Purbicella ragei Middle Berriasian 145.5–140.2 Ma Lulworth Formation, England, UK Marine Evans, Jones & Matsumoto (2012)
Scandensia ciervensis Late Barremian, Early Cretaceous 130–125.5 Ma Calizas de la Huérguina Formation, Cuenca, Spain Lacustrine Evans & Barbadillo (1998)
Yabeinosaurus bicupsidens Late Barremian, Early Cretaceous 130–125.5 Ma Yixian Formation, Liaoning, China Lacustrine Dong, Wang & Evans (2017)
Yabeinosaurus robustus Late Barremian, Early Cretaceous 130–125.5 Ma Yixian Formation, Liaoning, China Lacustrine Dong, Wang & Evans (2017)
Yabeinosaurus tenuis Late Barremian, Early Cretaceous 130–125.5 Ma Yixian Formation, Liaoning, China Lacustrine Dong, Wang & Evans (2017)