From the album: MY FOSSIL Collection - Dpaul7
Orthonychia Gastropod
SITE LOCATION: northern Alabama
TIME PERIOD: Mississippian Period (ca 325,000,000 yrs old)
Orthonychiidae is an extinct taxonomic family of fossil sea snails, marine, gastropod mollusks in the clade Cyrtoneritimorpha. There is an unusually great degree of variability within the shells of species in the genus Orthonychia, but an analysis of this variability has not been done yet (2008).
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Family: †Orthonychiidae
Genus: †Orthonychia