Liverpool Point (Paleocene of the United States)

Where: Maryland (38.5° N, 77.3° W: paleocoordinates 39.0° N, 58.4° W)

• coordinate estimated from map

When: Aquia Formation, Thanetian (59.2 - 56.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

• nearly perfect oval patch of crushing teeth

Collected by Mrs. Doris H. Blake in 1935; reposited in the USNM

• The specimen was collected by Mrs. Doris H. Blake in 1935 and turned over to me for examination through the courtesy of Dr. S. F. Blake and Mr. C. W. Gilmore. It is catalogued in the Division of Vertebrate Paleontology of the United States National Museum as No. 13855.

Primary reference: G. S. Myers. 1936. A Third Record of the Albulid Fish Dixonina nemopiera Fowler, with Notes on an Albulid from the Eocene of Maryland. Copeia 1936(2):83-85 [M. Uhen/M. Shalap]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 124191: authorized by Mark Uhen, entered by Margaret Shalap on 07.02.2012, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Plagiostomi - Squalidae
Otodus obliquus2 Agassiz 1843 dogfish shark
 Myliobatiformes - Myliobatidae
"Myliobatis copeanus" = Myliobatis dixoni2
"Myliobatis copeanus" = Myliobatis dixoni2 Agassiz 1843 eagle ray
 Lamniformes - Lamnidae
"Odontaspis cuspidata" = Lamna cuspidata2
"Odontaspis cuspidata" = Lamna cuspidata2 Agassiz 1843 mackerel shark
 Lamniformes - Odontaspididae
"Odontaspis macrota" = Odontaspis macrota2, "Odontaspis elegans" = Odontaspis macrota2
"Odontaspis macrota" = Odontaspis macrota2 Agassiz 1843 sand tiger shark
"Odontaspis elegans" = Odontaspis macrota2 Agassiz 1843 sand tiger shark
 Carchariniformes - Sphyrnidae
Sphyrna prisca2 Agassiz 1843 hammerhead shark
 Synechodontiformes - Palaeospinacidae
Synechodus clarkia2 elasmobranch
Actinopteri
 Albuliformes - Albulidae
Albulidae indet. Bleeker 1859 bonefish
Reptilia
 Crocodylia -
Thecachampsa sp.1 Cope 1867 crocodilian