Orthonychiidae

Updated on Dec 24, 2024

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Kingdom Animalia Superfamily †Platyceratoidea Rank Family		Class Gastropoda Phylum Mollusca
People also search for Platyceratidae, Cyrtoneritimorpha

†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).

Genera

Genus Orthonychia Hall, 1843

Orthonychia acuta Roemer, 1856

Orthonychia baldwini Rohr et al., 1981

Orthonychia belli Clarke, 1908

Orthonychia bowsheri Yochelson, 1956

Orthonychia chesterense Meek & Worthen, 1866

Orthonychia concavum Hall, 1860

Orthonychia conicum Hall, 1860

Orthonychia conoidea (Goldfuss, 1844)

Orthonychia cornuforme (Winchell, 1863)

Orthonychia costata (Barrois, 1889)

Orthonychia daschi (Rohr & Smith, 1978)

Orthonychia dentalium Hall, 1862

Orthonychia enorme (Lindström, 1884)

Orthonychia infabricatus Hyde, 1953

Orthonychia marblecreekensis Talent & Philip, 1956

Orthonychia obliquesulata Spitz, 1907

Orthonychia pajerensis Chronic, 1949

Orthonychia parva (Shumard & Swallow, 1858)

Orthonychia parvulum Whiteaves, 1892

Orthonychia pentalvea Talent & Philip, 1956

Orthonychia perplexum (Hall, 1879)

Orthonychia prosseri Clarke & Swartz, 1913

Orthonychia protei (Oehlert, 1883)

Orthonychia puellaris (Whidborne, 1891)

Orthonychia quadrangularis (Whidborne, 1891)

Orthonychia rostratus (Trenkner, 1867)

Orthonychia sciotoensis Hyde, 1953

Orthonychia sileni (Oehlert, 1883)

Orthonychia subrectum Hall, 1860 - type species

Orthonychia talon Tolmachoff, 1930

Orthonychia tortuosa (Hall, 1860)

Orthonychia trirotundolobatum (Talent & Philip, 1956)

Orthonychia unguiculata Clarke & Swartz, 1913

Orthonychia variablis Tyler, 1965

Orthonychia vishtytica Saladzius, 1966

Orthonychia vomerium (Winchell, 1863)

Orthonychia waverlyensis Hyde, 1953

Orthonychia compressa / Platyceras (Orthonychia) compressum Girty 1910

Orthonychia ungula / Platyceras (Orthonychia) ungula (Weller, 1906)

References

Orthonychiidae Wikipedia

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