Where: Montgomery County, Alabama (32.3° N, 86.3° W: paleocoordinates 32.2° N, 55.3° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Eutaw Formation, Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 83.5 Ma)
• from a "massively 'bedded'" horizon: does not belong to the Tombigee Member, contra Knowles et al. 1963
• group of beds-level stratigraphic resolution
Environment/lithology: paralic; poorly lithified, glauconitic, micaceous, calcareous sandstone
•figured specimens do not include matrix, sediment was screened, and numerous shark teeth were recovered, suggesting poor lithification
Size classes: macrofossils, mesofossils
Collected by R. C. Cason, D. Dollar; reposited in the BMNH
Collection methods: bulk, sieve,
• "bulk screening"
•BMNH In., Geological Survey of Alabama, and personal collections
Primary reference: K. N. Whetstone and J. S. H. Collins. 1982. Fossil Crabs (Crustacea: Decapoda) from the Upper Cretaceous Eutaw Formation of Alabama. Journal of Paleontology 56(5):1218-1222 [J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 90242: authorized by John Alroy, entered by John Alroy on 14.07.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Callianassa sp. Leach 1814 decapod | |
Pagurus convexus n. sp.
Pagurus convexus n. sp. Whetstone and Collins 1982 hermit crab | |
Actinopteri | |
Belonostomus sp. Agassiz 1834 | |
Enchodus sp. Agassiz 1835 | |
Chondrichthyes | |
Hybodus sp. Agassiz 1834 elasmobranch | |
Odontaspis sp. Agassiz 1838 sand tiger shark | |
Scapanorhynchus sp. Woodward 1889 goblin shark | |
Cretolamna sp. Glikman 1958 mackerel shark | |
Squalicorax sp. Whitley 1939 crow shark | |
Ptychotrygon sp. Jaekel 1894 ray |