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Lithacoceras
Taxonomy
Lithacoceras was named by Hyatt (1900) [Sepkoski's age data: J Oxfo-m J Tith-u].
It was reranked as Virgatosphinctes (Lithacoceras) by Indians (1954).
It was assigned to Virgatosphinctes by Indians (1954); to Ammonoidea by Sepkoski (2002); to Ataxioceratidae by Parent et al. (2011); and to Lithacoceratinae by Salazar and Stinnesbeck (2016).
It was reranked as Virgatosphinctes (Lithacoceras) by Indians (1954).
It was assigned to Virgatosphinctes by Indians (1954); to Ammonoidea by Sepkoski (2002); to Ataxioceratidae by Parent et al. (2011); and to Lithacoceratinae by Salazar and Stinnesbeck (2016).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Lithacoceras Hyatt p. 581 |
| 1954 | Virgatosphinctes (Lithacoceras) Indians |
| 2002 | Lithacoceras Sepkoski |
| 2011 | Lithacoceras Parent et al. |
| 2016 | Lithacoceras Salazar and Stinnesbeck p. 158 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Lithacoceras Hyatt 1900
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Subg. †Lithacoceras (Lithacoceras) Howarth 1998
Subg. †Lithacoceras (Progeronia)
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Invalid names: Ammonites eupalus d'Orbigny 1850 [nomen oblitum]
Subg. †Lithacoceras (Subplanites) Dacque 1910
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†Lithacoceras (Subplanites) mombassanum Dacque 1910
Subg. †Lithacoceras (Virgalithacoceras) Oloriz 1978
†Lithacoceras malarguense Spath 1931
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Invalid names: Lithacoceras (Virgalithacoceras) acricostatum Ohmert and Zeiss 1980 [synonym], Substeueroceras durangoensis Munoz 1964 [synonym], Virgatosphinctes guadalupensis Imlay 1943 [synonym]
†Lithacoceras mombassanum Dacqué 1910
†Lithacoceras sigali Collignon 1959
†Lithacoceras soucadeauxi Collignon 1959
†Lithacoceras ulmensis Oppel 1858
Diagnosis
No diagnoses are available