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Hecticoceras (Chanasia)
Taxonomy
Chanasia was named by Rollier (1922) [Sepkoski's age data: J Call-l J Call-u]. It is not extant.
It was reranked as Hecticoceras (Chanasia) by Elmi (1967).
It was assigned to Distichoceratinae by Arkell et al. (1957); to Hecticoceras by Elmi (1967); and to Ammonoidea by Sepkoski (2002).
It was reranked as Hecticoceras (Chanasia) by Elmi (1967).
It was assigned to Distichoceratinae by Arkell et al. (1957); to Hecticoceras by Elmi (1967); and to Ammonoidea by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Chanasia chanasiense, Chanasia hartmanni, Chanasia pseudochanaziense, Hecticoceras discoides, Hecticoceras inermis, Hecticoceras nodosum, Hecticoceras pompeckyi, Hecticoceras prelairense, Hecticoceras pseudopunctatum, Hecticoceras punctatum, Hecticoceras puteale, Hecticoceras suborientale, Hecticoceras suevum
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1922 | Chanasia Rollier |
| 1957 | Chanasia Arkell et al. p. 279 |
| 1958 | Jeannetia Collignon pp. Pl XIII fig. 69 |
| 1967 | Hecticoceras (Chanasia) Elmi p. 621 |
| 2002 | Chanasia Sepkoski |
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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.
Subg. †Hecticoceras (Chanasia) Rollier 1922
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†Chanasia fornix Sowerby 1840
Invalid names: Jeannetia Collignon 1958 [replaced]
Diagnosis
No diagnoses are available