- 1825. PMC 1088909. PMID 11749704. "Ergilemys".
Paleobiology Database.
Paleobio DB.
Retrieved March 23, 2022. Rafinesque,
Constantine Samuel (1832). "Description...
- Philadelphia. 2 (9): 254–256.
Retrieved 1 July 2013. "R W
Gibbes 1845".
Paleobio DB. Gingerich, P. D. (1992). "Marine
Mammals (Cetacean and Sirenia) from...
- that
bears a
median keel.
Arkell et al.
Mesozoic Ammonoidea.
Treatise on
Invertebrate Paleontology, Part L, Ammonoidea. 1957
Paleobio Anatropites v t e...
- orthocerids, a kind of straight-s****ed
nautiloid cephalopod.
Rhabdites -
Paleobio database. Sepkoski, J.J. Jr. 2002. A
compendium of
fossil marine animal...
-
University of
Kansas Paleontological Institute. 1969. p. 141.
Diestoceratidae -
Paleobio db Sweet,
Walter C. 1964.
Nautiloidea -Oncocera.
Treatise on Invertebrate...
- Mio-Pliocene
Purisima Forma-tion of
Northern California. PaleoBios, 33. ucmp_
paleobios_32076 Torrent,
Danielle (4
November 2012). "New
ancient shark species...
-
Invertebrate Paleontology Part I,
Mollusca 1.(1960)
Suborder Macluritina pp I 184 - I 196.
Euomphalina in
Paleobio-db 2/24/2012
classification of P.
Jeffery 2003...
-
Frankites has been
found in Nevada,
British Columbia, China, India, and
Italy with a
variety of
other ceratitid ammonites.
Frankites -
Paleobio v t e...
-
details of the
suture and in
sometimes having an open umbilicus.
Gundolficeras in
GONIAT Online 6/9/12
Falcitornoceratinae Paleobio Database. 6/9/12 v t e...
- of the
genus Ectenosaurus from the
Upper Cretaceous of
North America".
Paleobios. 40 (13). doi:10.5070/P9401362375. S2CID 264473243.
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