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Archaeocyatha - Ajacicyathida

Erismacoscinus was named by Debrenne (1958) [Sepkoski's age data: Cm Tomm-u Cm Boto-l]. It is not extant.

It was assigned to Ajacicyathida by Sepkoski (2002).

Synonymy list
YearName and author
1958Erismacoscinus Debrenne p. 65
2002Erismacoscinus Sepkoski, Jr.

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phylumPoriferaGrant 1836
classArchaeocyatha(Vologdin 1937)
classRegularesVologdin 1937
orderAjacicyathidaBedford and Bedford 1939
genusErismacoscinusDebrenne 1958

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.

No diagnoses are available