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Heterophrentis
Taxonomy
Heterophrentis was named by Billings (1875) [Sepkoski's age data: D Emsi-u D Give]. It is not extant.
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentinae by Merriam (1974); to Amplexidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentinae by Merriam (1974); to Amplexidae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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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. †Heterophrentis Billings 1875
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Diagnosis
No diagnoses are available