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Siphonophrentis
Taxonomy
Siphonophrentis was named by O'Connell (1914) [Sepkoski's age data: D Sieg D Give Sepkoski's reference number: 2,1240]. It is not extant.
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentinae by Merriam (1974); to Amplexidae by Hill (1981) and Chen et al. (1997); to Rugosa by Sepkoski (2002); and to Siphonophrentidae by Tsyganko (2014).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentinae by Merriam (1974); to Amplexidae by Hill (1981) and Chen et al. (1997); to Rugosa by Sepkoski (2002); and to Siphonophrentidae by Tsyganko (2014).
Species
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. †Siphonophrentis O'Connell 1914
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Subg. †Siphonophrentis (Siphonophrentis) O'Connell 1914
†Siphonophrentis variabilis Oliver 1960
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1974 | Oliver's (1960a, p. 87) diagnosis is as follows:
Simple, ceratoid to cylindrical corals with amplexoid septa withdrawn from axis except on and just above upper surfaces of tabulae. Tabulae dome-shaped, flat or concave axially, depressed at the fossula. No axial structure or dissepiments. |