La Rochette (Jurassic to of France)

Also known as Boulonnais

Where: Nord-Pas-de-Calais, France (50.8° N, 1.6° E: paleocoordinates 41.6° N, 10.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Tithonian to Late/Upper Tithonian (150.8 - 140.2 Ma)

• Unnamed "Portlandien" unit

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; graded, conglomeratic, calcareous sandstone

• "sand...from the disaggregation of a puddingstone with calcareous cement whose particles are small, not exceeding 1 m thick"

Size classes: macrofossils, mesofossils

Collected by Cuny in 1984-1985

Collection methods: bulk, sieve,

Primary reference: G. Cuny, E. Buffetaut, H. Cappetta, M. Martin, J. M. Mazin and J. M. Rose. 1991. Nouveaux restes de Vertébrés du Jurassique terminal du Boulonnais (Nord de la France) [New vertebrate remains from the latest Jurassic of the Boulonnais (northern France)]. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen 180(3):323-347 [R. Butler/R. Butler/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 92145: authorized by Richard Butler, entered by Richard Butler on 02.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889 elasmobranch
ROC.7
 Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1837 elasmobranch
ROC.3, ROC.8
 Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816 bullhead shark
ROC.6
 Synechodontiformes - Paleospinacidae
"Palaeospinacidae indet." = Paleospinacidae
"Palaeospinacidae indet." = Paleospinacidae Regan 1906 elasmobranch
Actinopteri
 Tetraodontiformes - Trigonodontoidae
Stephanodus sp. Zittel 1883
ROC.12
 Pycnodontiformes - Pycnodontidae
Pycnodontidae indet. Agassiz 1835
ROC.5
 Pycnodontiformes - Mesturidae
Mesturus sp. Wagner 1862
ROC.4
 Amiiformes - Caturidae
Caturus sp. Agassiz 1843 bowfin
ROC.11
 Lepisosteiformes -
"Lepidotes cf. mantelli" = Scheenstia mantelli
"Lepidotes cf. mantelli" = Scheenstia mantelli Agassiz 1833 gar
ROC.17
 Semionotiformes - Callipurbeckiidae
"Lepidotes cf. minor" = Callipurbeckia minor
"Lepidotes cf. minor" = Callipurbeckia minor Agassiz 1833
ROC.10
Reptilia
 Testudines - Plesiochelyidae
? Plesiochelys sp. Rütimeyer 1873 turtle
ROC.19
 Saurischia -
Pelorosaurus sp. Mantell 1850 sauropod
ROC.1
 Loricata -
Bernissartia sp. Dollo 1883 crocodilian
ROC.13
 Loricata - Goniopholididae
Goniopholis sp. Owen 1842 crocodilian
ROC.18
 Loricata -
Theriosuchus sp. Owen 1878 crocodilian
ROC.15
 Loricata - Teleosauridae
? Steneosaurus sp. Saint-Hilaire 1825 marine crocodile
ROC.14