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Breviphrentis
Taxonomy
Breviphrentis was named by Stumm (1949) [Sepkoski's age data: D Emsi D Give-l]. It is not extant. Its type is Amplexus invaginatus.
It was reranked as Siphonophrentis (Breviphrentis) by Merriam (1974) and McAllister (1974).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentis by Merriam (1974) and McAllister (1974); to Breviphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was reranked as Siphonophrentis (Breviphrentis) by Merriam (1974) and McAllister (1974).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentis by Merriam (1974) and McAllister (1974); to Breviphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Breviphrentis Stumm |
| 1956 | Breviphrentis Hill |
| 1974 | Siphonophrentis (Breviphrentis) McAllister p. 11 |
| 1974 | Siphonophrentis (Breviphrentis) Merriam p. 41 |
| 1981 | Breviphrentis Hill |
| 2002 | Breviphrentis 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.
G. †Breviphrentis Stumm 1949
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†Breviphrentis superstes Denayer et al. 2012
†Siphonophrentis (Breviphrentis) invaginatus Stumm 1937
†Siphonophrentis (Breviphrentis) kobehensis Merriam 1974
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1974 | This narrow, elongate Siphonophrentis is of markedly segmented appearance when fully mature; the cylindrical corallum has deep lateral shelving indentations and rejuvenescence flanges. The cardinal fossula is commonly weak or unrecognizable in the mature calice. The septal stereozone is medium to wide. |