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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), McAllister (1974).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentis by Merriam (1974), McAllister (1974); to Breviphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was reranked as Siphonophrentis (Breviphrentis) by Merriam (1974), McAllister (1974).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentis by Merriam (1974), 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. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Lochkovian to the top of the Middle Famennian or 419.62000 to 365.20000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | USA (Nevada) | B. johnsoni (36957) B. sp. (36954 36955) | |
| Lochkovian | USA (New York) | B. roemeri (24956) | |
| Pragian | USA (New York) | B. variabilis (24955) | |
| Early/Lower Emsian | USA (Nevada) | B. invaginata (90932) B. kirki (90933) Siphonophrentis invaginatus (90944) | |
| Emsian | USA (Nevada) | B. sp. (605) | |
| Emsian | USA (California) | Siphonophrentis invaginatus (225991 225992) | |
| Late/Upper Emsian | USA (Nevada) | B. invaginata (90938) B. invaginatus (90950) B. magna (90948 90956) B. magna, Siphonophrentis invaginatus (90939) | |
| Late/Upper Emsian | USA (California) | Siphonophrentis invaginatus (225967 225995 225996) | |
| Late/Upper Emsian - Eifelian | Spain (Leon) | B. sp. (26394) | |
| Eifelian | Canada (Ontario) | B. yandelli (213759) | |
| Eifelian | USA (New York) | B. sp. (77056 77076 77077) B. yandelli (9538 9539 9547 9553) | |
| Eifelian | USA (Nevada) | B. sp. (5296) | |
| Givetian | Laos | B. yunnanense (82105) | |
| Givetian | Spain (Asturias) | B. sp. (80293) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Leon) | B. sp. (26849) | |
| Middle Famennian | Belgium | B. superstes (135345 135346) | |
| Middle Famennian | France (Nord-Pas-de-Calais) | B. superstes (135343 135344) |