Ringstead Bay, Weymouth: Late/Upper Kimmeridgian - Early/Lower Tithonian, United Kingdom
collected by Miss C. Ouless 1912

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834
Underwood 2002
P65670, one incomplete crown; four partial teeth
Hybodus obtusus Agassiz 1839
Underwood 2002
Fragments of at least 20 teeth
Chondrichthyes - Synechodontiformes - Palaeospinacidae
Synechodus plicatus n. sp. Underwood 2002
Underwood 2002
P65686 (holotype - tooth)
Chondrichthyes - Heterodontiformes - Heterodontidae
Paracestracion falcifer (Wagner 1857)
Underwood 2002
36 anterior and juvenile teeth
Heterodontus cf. semirugosus Plieninger 1847
Underwood 2002
Two imperfect anterior teeth, P65711-2
Chondrichthyes - Squatinidae
Squatina frequens n. sp. Underwood 2002
Underwood 2002
P65698 (holotype - tooth)
Chondrichthyes - Pseudorhinidae
Squatina alifera (Münster 1842)
Underwood 2002
recombined as Pseudorhina alifera
One tooth with damaged cusp, P65697
Chondrichthyes - Protospinacidae
Protospinax planus n. sp. Underwood 2002
Underwood 2002
P65694 (holotype - tooth)
Chondrichthyes - Rajiformes - Rhinobatidae
Spathobatis bugesiacus Thiollière 1854
Underwood 2002
49 complete and partial teeth
Chondrichthyes - Carcharhiniformes - Scyliorhinidae
Palaeoscyllium formosum Wagner 1857
Underwood 2002
129 entire and partial teeth
Chondrichthyes - Orectolobiformes - Ginglymostomatidae
Cantioscyllium sp. Woodward 1889
Underwood 2002
One partial tooth, P65677
Chondrichthyes - Orectolobiformes - Hemiscylliidae
Hemiscylliidae indet. Gill 1862
Underwood 2002
One partial tooth, P65679
Pseudospinax sp. Müller and Diedrich 1991
Underwood 2002
Single tooth lacking root, P65678
Chondrichthyes - Chimaeriformes - Callorhynchidae
Ischyodus sp. Egerton 1843
Underwood 2002
One mandibular plate, P65713
Reptilia - Teleosauridae
Steneosaurus sp. Saint-Hilaire 1825
Delair 1958
Reptilia - Plesiosauria - Pliosauridae
Pliosaurus macromerus (Phillips 1871)
1 specimen
DORCM G117; small, incomplete and poorly preserved pliosaurian mandible, including a complete mandibular symphysis (260 mm in length) containing eight tooth positions
    = Pliosaurus portentificus Noè et al. 2004
Noè et al. 2004
nomen dubium belonging to Pliosaurus
see common names

Geography
Country:United Kingdom State/province:England County:Dorset
Coordinates: 50.6° North, 2.3° West (view map)
Paleocoordinates:41.4° North, 7.7° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Key time interval:Late/Upper Kimmeridgian - Early/Lower Tithonian Ammonoid zone: Aulacostephanus euxodus to Pectinatites pectinatus
Age range of interval:155.70000 - 145.00000 m.y. ago
Stratigraphy
Formation:Kimmeridge Clay
Stratigraphic resolution:formation
Stratigraphy comments: The Kimmerdige Clay Formation at Ringstead Bay extends from the upper part of the Aulacostephanus euxodus Zone to the Pectinatites pectinatus zone according to Cox & Gallois (1981). This is Late Kimmeridgian to Early Tithonian (Gradstein et al. 2012).
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float),surface (in situ),mechanical,survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:Miss C. Ouless Collection dates:1912
Metadata
Database number:140224
Authorizer:R. Benson, M. Carrano, P. Mannion Enterer:R. Benson, J. Tennant, M. Carrano
Modifier:R. Benson Research group:vertebrate
Created:2013-03-05 20:12:35 Last modified:2013-04-01 07:35:17
Access level:the public Released:2013-03-05 20:12:35
Creative Commons license:CC BY
Reference information

Primary reference:

31216.ETE J. B. Delair. 1960. The Mesozoic reptiles of Dorset. Part two. Proceedings of the Dorset Natural History and Archaeological Society 80:52-90 [M. Carrano/M. Carrano/R. Benson]

Secondary references:

46077 B. M. Cox and R. W. Gallois. 1981. The stratigraphy of the Kimmeridge Clay of the Dorset type area and correlation with some other Kimmeridgian sequences. Institute of Geological Sciences, Report 80/4:1-44 [R. Benson/R. Benson]
47078 J. B. Delair. 1958. The Mesozoic reptiles of Dorset. Part one. Proceedings of the Dorset Natural History and Archaeological Society 79:47-72 [M. Carrano/M. Carrano/M. Carrano]
42481 L. F. Noè, D. T. J. Smith, and D. I. Walton. 2004. A new species of Kimmeridgian pliosaur (Reptilia; Sauropterygia) and its bearing on the nomenclature of Liopleurodon macromerus. Proceedings of the Geologists' Association 115:13-24 [M. Carrano/M. Carrano]
46680 C. J. Underwood. 2002. Sharks, rays and a chimaeroid from the Kimmeridgian (Late Jurassic) of Ringstead, Southern England. Palaeontology 45(2):297-325 [P. Mannion/J. Tennant]