Peterborough area, Leeds Collection (Jurassic of the United Kingdom)

Where: England, United Kingdom (52.6° N, 0.2° W: paleocoordinates 42.7° N, 9.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Sigaloceras (Catasigaloceras) enodatum - Kosmoceras phaeinum ammonoid zone, Peterborough Member (Oxford Clay Formation), Middle Callovian (164.7 - 161.2 Ma)

• "The Peterborough Member (Sigiloceras enodatum (Sigiloceras calloviense Zone)–Kosmoceras phaeinum (Peltoceras athleta Zone) ammonite Subzone: late Early–early Late Callovian, Middle Jurassic, previously termed the ‘lower Oxford Clay’"

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, carbonaceous mudstone

• "accumulated in a wide, shallow (30–50 m deep) epeiric sea"
• "The Lower Oxford Clay is composed predominantly of organic-rich mudstones that on exposure rapidly develop a shale-like fissility" (Hudson & Martill 1991, p. 20-21)

Size class: macrofossils

Collected by A. N. Leeds, Esq., F.G.S. in <1915; reposited in the BMNH, SMF, SMNS

Collection methods: quarrying, surface (in situ),

• Hunterian Museum of Geology, Glasgow, UK

Primary reference: R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia [M. Carrano/H. Street/R. Benson]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 109800: authorized by Matthew Carrano, entered by Hallie Street on 27.05.2011, edited by Roger Benson, Priscilla Vazquez, Jonathan Tennant, Matthew Carrano and Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Plesiosauria - Pliosauridae
Pliosauridae "new species"7 Seeley 1874 plesiosaur
BMNH R2439
Liopleurodon ferox3 Sauvage 1873 plesiosaur
BMNH R3536 (skeleton)
Peloneustes philarchus3 Seeley 1869 plesiosaur
CAMSM J.46913, NHMUK (=BMNH) R2440, NHMUK R2441, NHMUK R2444, NHMUK R2679, NHMUK R3318, NHMUK R3803, NHMUK R4058, CAMSM (X.50163), LEICT G418.1956.33, GPIT RE/3409, GPIT uncatalogued 1 (Leeds specimen 49, mounted in gallery), GPIT uncatalogued 2 (holotype of P. philarchus var. spathyrhynchus), MB.R.3631, PETMG R73, SMF R14, SMNS 10113, UNIL 9865 (some of these were referred by Ketchum & Benson, who excluded BMNH R2439, originally referred to P. philarchus by Andrews 1913)
Simolestes vorax n. gen. n. sp.13 Andrews 1909 plesiosaur
BMNH R3319 (holotype skeleton)
Pliosaurus andrewsi n. sp.13 Tarlo 1960 plesiosaur
BMNH R3891
 Plesiosauria - Cryptoclididae
"Muraenosaurus leedsii" = Muraenosaurus leedsii4, "Muraenosaurus platyclis n. sp." = Muraenosaurus leedsii11, "Muraenosaurus durobrivensis n. sp." = Muraenosaurus leedsii, "Muraenosaurus beloclis n. sp." = Picrocleidus beloclis11, Tricleidus seeleyi4, "Cryptoclidus eurymerus" = Cryptoclidus eurymerus4, "Apractocleidus teretipes n. gen. n. sp." = Cryptoclidus eurymerus12
"Muraenosaurus leedsii" = Muraenosaurus leedsii4 Seeley 1874 plesiosaur
BMNH R2422, R2424, R2426, R2863, R2864, R3704; Brown (1981) also listed the holotype (BMNH R2421) from this locality, but this is incorrect
"Muraenosaurus platyclis n. sp." = Muraenosaurus leedsii11 Seeley 1874 plesiosaur
BMNH R2678
"Muraenosaurus durobrivensis n. sp." = Muraenosaurus leedsii Seeley 1874 plesiosaur
BMNH R2628 (holotype), R2861
"Muraenosaurus beloclis n. sp." = Picrocleidus beloclis11 Seeley 1892 plesiosaur
BMNH R1965 (holotype), R2739, R3698, R2429
Tricleidus seeleyi4 Andrews 1909 plesiosaur
NMW 19.96.G7 (pectoral girdle), HMG V.1800 (humerus)
"Cryptoclidus eurymerus" = Cryptoclidus eurymerus4 Phillips 1871 plesiosaur
15+ individuals listed by Brown (1981): BMNH R2860 (neotype almost complete skeleton), R2412, R2416, R2417, R2616, R2862, R3538, R3703, R3730, R8621, HMGV (Hunterian Museum, Glasgow) V1091, V1104, V1807, V1809, V1835
"Apractocleidus teretipes n. gen. n. sp." = Cryptoclidus eurymerus12 Phillips 1871 plesiosaur
HMG V1091 (holotype of A. teretipes)
 Ichthyosauria - Ophthalmosauridae
Ophthalmosaurus icenicus n. gen. n. sp.2
Ophthalmosaurus icenicus n. gen. n. sp.2 Seeley 1874 ichthyosaur
BMNH R2133 (holotype partial skeleton first reported by Seeley 1874), R2180, R2181, R2740, R2160, R2853, R2149, R2138, R2162, R2161, R3013, R2185, R2191, R2155, R2132, R2150, R2153, R2150a, R2152, R2143, R2173, R2174, R2163, R2135, R2188, R2148, R2137, R2147, R2141, R2139, R2164, R2134, R2175, R2169, R3533, R3535, R3534
 Ornithischia - Camptosauridae
? Camptosauridae indet.5 Marsh 1885 camptosaurid
?egg, BMNH R2903
 Pterosauria - Rhamphorhynchidae
Rhamphorhynchidae indet.14 Seeley 1870 pterosaur
BMNH R1995, right ulna and partial humeri; BMNH R4759, wing-phalanx 1
 Loricata - Metriorhynchidae
"Metriorhynchus superciliosum" = Thalattosuchus superciliosus3, "Metriorhynchus leedsi n. sp." = Gracilineustes leedsi3, "Metriorhynchus laeve n. sp." = Gracilineustes leedsi3, Dakosaurus "Mr Leeds sp."10, Tyrannoneustes lythrodectikos16, Suchodus durobrivensis n. sp.8, "Metriorhynchus brachyrhynchus" = Metriorhynchus brachyrhynchus3, "Metriorhynchus cultridens n. sp." = Metriorhynchus brachyrhynchus3, Metriorhynchus aff. moreli3
"Metriorhynchus superciliosum" = Thalattosuchus superciliosus3 de Blainville 1853 marine crocodile
BMNH R2030, R2051, R1530, R2033, R3016, R2056, R2041, R2055, R1529, R2065, R2048, R2069, R2056, R2036, R2058; and possibly: R2064, R2080, R2775, R2062, R2077, R2062a
"Metriorhynchus leedsi n. sp." = Gracilineustes leedsi3 Andrews 1913 marine crocodile
BMNH R3540 (holotype skull), R3899
"Metriorhynchus laeve n. sp." = Gracilineustes leedsi3 Andrews 1913 marine crocodile
BMNH R3015 (holotype skull and partial postcranium), R3014, R2042, R2031
Dakosaurus "Mr Leeds sp."10 Quenstedt 1856 marine crocodile
NHMUK PV R 3321, NHMUK PV R 4696, NHMUK PV R 4763
Tyrannoneustes lythrodectikos16 Young et al. 2013 marine crocodile
GLAHM V1145: numerous isolated teeth, left humerus, coracoids, femur, ilium; GLAHM V1399/9: isolated tooth; GLAHM V1402/5: isolated tooth; GLAHM V1430: isolated tooth; GLAHM V1436: numerous isolated teeth. All from near Peterborough, England (Peterborough Member, Oxford Clay Formation; Middle Callovian)
Suchodus durobrivensis n. sp.8 Lydekker 1890 marine crocodile
Holotype BMNH R1994, mandibular symphysis — from Water Newton rather than Peterborough according to Young et al (2010), but Young pers. comm. suggested some uncertainty over this data and both Seeley and Andrews (1913) gave Peterborough as the locality; Andrews (1913) additionally listed BMNH R3321, R2039, R2618
"Metriorhynchus brachyrhynchus" = Metriorhynchus brachyrhynchus3 Eudes-Deslongchamps 1868 marine crocodile
BMNH R3939; two other specimens listed by Andrews (1913) were reported by Leeds (1908), who gave more specific locality data (Dogsthorpe) and have been entered into collection 133068 (neotype skull: BMNH 3700; plus R3699)
"Metriorhynchus cultridens n. sp." = Metriorhynchus brachyrhynchus3 Eudes-Deslongchamps 1868 marine crocodile
BMNH R 3804 (holotype partial skeleton), R3541)
Metriorhynchus aff. moreli3 Deslongchamps 1867 marine crocodile
BMNH R2054, R2032, R2044, R2049, R3900, R1666, R2040
 Loricata -
"Steneosaurus leedsi n. sp." = Charitomenosuchus leedsi3, "Steneosaurus hulkei n. sp." = Machimosaurus hugii3, "Steneosaurus boutilieri" = Yvridiosuchus boutilieri1, "Steneosaurus obtusidens n. sp." = Lemmysuchus obtusidens3, "Steneosaurus edwardsi" = Neosteneosaurus edwardsi6
"Steneosaurus leedsi n. sp." = Charitomenosuchus leedsi3 Andrews 1909 marine crocodile
Holotype skull BMNH R3320, plus BMNH 3806 (nearly complete skeleton) and R2619 (partial skeleton),
"Steneosaurus hulkei n. sp." = Machimosaurus hugii3 Meyer 1837 marine crocodile
Holotype BMNH R2074, partial skeleton
"Steneosaurus boutilieri" = Yvridiosuchus boutilieri1 Eudes-Deslongchamps 1868 marine crocodile
OUM J1403, J1401 - precise locality data unknown
"Steneosaurus obtusidens n. sp." = Lemmysuchus obtusidens3 Andrews 1909 marine crocodile
Holotype partial skeleton BMNH R3168, plus BMNH R3169 and R3898 (partial postcranial skeletons) (SEE BELOW for S. edwardsi)
"Steneosaurus edwardsi" = Neosteneosaurus edwardsi6 Eudes-Deslongchamps 1867 marine crocodile
NHMUK PV R3898 (refered to S. obtusidens - see above)
 Loricata - Teleosauridae
"Steneosaurus nasutus n. sp." = Mycterosuchus nasutus3, "Steneosaurus depressus n. sp." = Steneosaurus heberti9, Steneosaurus durobrivensis n. sp.3
"Steneosaurus nasutus n. sp." = Mycterosuchus nasutus3 Andrews 1909 marine crocodile
Holotype skeleton BMNH R2617, and referrred partial vertebral column BMNH R3892
"Steneosaurus depressus n. sp." = Steneosaurus heberti9 Morel de Glasville 1876 marine crocodile
OUM J 1420
Steneosaurus durobrivensis n. sp.3 Andrews 1909 marine crocodile
Holotype BMNH R3701 (nearly complete skeleton), plus BMNH R2865, R2075, R2076, R2073
Actinopteri
 Lepisosteiformes -
Lepidotus macrocheirus15 Egerton 1845 gar
BMNH P.6839, P.6899, P.6900
Lepidotus leedsi n. sp.15 Woodward 1895 gar
BMNH P.6837
Lepidotus latifrons15 Woodward 1893 gar
BMNH P.6841, P.6838, P.6840