Pycnodonte

Pycnodonte
Pycnodonte pulaskiensis from the Clayton Formation (Paleocene) of Mississippi.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Ostreoida
Family: Gryphaeidae
Genus: Pycnodonte
Fischer von Waldheim (1835)[1]

Pycnodonte is a genus of extinct oysters, marine bivalve mollusks in the family Gryphaeidae. They are found around the world in fossil shell beds from the Valanginian (140.2 Ma) to Early Pleistocene (0.781 Ma).[2] They are a commonly found fossil in Cretaceous shellbeds of the Navesink Formation in New Jersey.[3]

Species

References

  1. ^ "Pycnodonte (Pycnodonte)". The Paleobiology Database. http://paleodb.geology.wisc.edu/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=94287&is_real_user=1. Retrieved 2009-05-02. 
  2. ^ "Pycnodonte: Age Range and Collections". The Paleobiology Database. http://paleodb.geology.wisc.edu/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=16995&is_real_user=1. Retrieved 2009-05-02. 
  3. ^ "Late Cretaceous Stratigraphic Units of the Coastal Plain". United States Geological Survey. July 22, 2003. http://3dparks.wr.usgs.gov/nyc/coastalplain/cretaceous.htm. Retrieved 2009-05-02. 
  4. ^ "Pycnodonte taniguchii". The Comparative Toxicogenomics Database. March 23, 2009. http://ctdbase.org/detail.go?type=taxon&acc=182718. Retrieved 2009-05-02.