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Hexactinella
Taxonomy
Hexactinella was named by Carter (1885) [Sepkoski's age data: K Ceno R Sepkoski's reference number: 622]. It is extant. Its type is Hexactinella ventilabrum.
It was assigned to Hexactinosa by Sepkoski (2002); and to Tretodictyinae by Finks et al. (2004).
It was assigned to Hexactinosa by Sepkoski (2002); and to Tretodictyinae by Finks et al. (2004).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Hexactinella Carter |
| 2002 | Hexactinella Sepkoski |
| 2004 | Hexactinella Finks et al. p. 504 |
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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. Hexactinella Carter 1885
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Subg. Hexactinella (Hexactinella) Reid 2004
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Hexactinella (Hexactinella) ventilabrum Carter 1885
Subg. Hexactinella (Parahexactinella) Reid 1963
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Hexactinella (Parahexactinella) latum Schulze 1887
†Hexactinella alpina Lagneau-Herenger 1962
†Hexactinella calolepis Brimaud and Vachard 1986
†Hexactinella clampensis Frisone et al. 2016
†Hexactinella nymphaea Defretin-Lefranc 1960
†Hexactinella prisca Mehl and Fürsich 1997
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Bathonian to the top of the Tortonian or 168.20000 to 7.24600 Ma
Minimum age of oldest fossil (stem group age): 165.3 Ma
Minimum age of oldest fossil (stem group age): 165.3 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bathonian | India (Gujarat) | H. prisca (93561) | |
| Barremian | France (Provence-Alpes-Cote d'Azur) | H. alpina (112149) | |
| Cenomanian | United Kingdom (England) | H. sp., H. loeschmanni (112692) | |
| Late/Upper Turonian | France (Picardie) | H. nymphaea (113566) | |
| Lutetian | Italy (Veneto) | H. clampensis (110070) | |
| Bartonian | Spain | H. informis (61240 61241 61243 61246 61247) | |
| Chattian | USA (Washington) | H. conica, H. tubula (4869) | |
| Tortonian | Spain (Murcia) | H. calolepis (116132) |