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Morphology Ecology and taphonomy   Age range and collections

Eoptychia

Gastropoda - Pseudozygopleuridae

Taxonomy
Eoptychia was named by Longstaff (1933) [Sepkoski's age data: D Eife C Mosc Sepkoski's reference number: 362,797]. It is not extant. Its type is Loxonema sulcatum.

It was assigned to Pseudozygopleurinae by HornĂ½ (1955); to Eoptychiidae by Golikov and Starobogatov (1987); to Neotaenioglossa by Sepkoski (2002); and to Pseudozygopleuridae by Knight et al. (1960) and Bouchet et al. (2005).

Synonymy list
YearName and author
1933Eoptychia Longstaff
1955Eoptychia HornĂ½
1960Eoptychia Knight et al. p. 313
1987Eoptychia Golikov and Starobogatov p. 25
2002Eoptychia Sepkoski, Jr.
2005Eoptychia Bouchet et al. pp. 25, 247

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassProsobranchiaMilne-Edwards 1848
superorderCaenogastropodaCox 1959
superfamilyZygopleuroidea
familyPseudozygopleuridae()
genusEoptychia

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.

Diagnosis
No diagnoses are available