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Clava (Semivertagus)
Taxonomy
Semivertagus was named by Cossmann (1880) [Sepkoski's age data: K Maes R]. It is extant.
It was synonymized subjectively with Rhinoclavis by Houbrick (1992), Harzhauser (2004); it was reranked as Clava (Semivertagus) by Pacaud and Le Renard (1995), Hendy (2007).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Clava by Pacaud and Le Renard (1995), Hendy (2007).
It was synonymized subjectively with Rhinoclavis by Houbrick (1992), Harzhauser (2004); it was reranked as Clava (Semivertagus) by Pacaud and Le Renard (1995), Hendy (2007).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Clava by Pacaud and Le Renard (1995), Hendy (2007).
Species lacking formal opinion data
Cerithium caloosaense, Clava abnormis, Clava attenuatum, Clava attenuatum, Clava bonneti, Clava conica, Clava contracta, Clava djunggarangensis, Clava dumonti, Clava dumonti, Clava duponti, Clava elisae, Clava fasciata, Clava gemmata, Clava gibbosa, Clava kochi, Clava melanoides, Clava parrishi, Clava punctifibrum, Clava queteli, Clava recurva, Clava scriba, Clava striata, Clava striata, Clava tenuiplicata, Clava terpna, Clava trailli, Clava unisulcata, Clava unisulcata, Clava urania, Clava urania, Clava williamsi, Semivertagus abnormis, Semivertagus atromarginatum, Semivertagus capillatus, Semivertagus menthafontis, Semivertagus nesioticum, Semivertagus nesioticus, Semivertagus silicium, Semivertagus silvacollinis, Semivertagus subcalvatus, Semivertagus unisulcatus
Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Semivertagus Cossmann |
| 1995 | Clava (Semivertagus) Pacaud and Le Renard p. 155 |
| 2002 | Semivertagus Sepkoski |
| 2007 | Clava (Semivertagus) Hendy |
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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.
Subg. Clava (Semivertagus) Cossmann 1880
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Danian to the top of the Late/Upper Pleistocene or 66.00000 to 0.01170 Ma
Collections (29 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | France | Semivertagus abnormis (20816) | |
| Danian | USA (Texas) | Clava scriba (205466) | |
| Danian | Belgium | Clava abnormis, Clava elisae, Clava gibbosa, Clava urania (22931) | |
| Danian | Greenland | Semivertagus sp. (22943) | |
| Selandian | Colombia | Semivertagus sp. (180400) | |
| Ypresian | France (Picardie) | Clava unisulcata (178778) | |
| Lutetian | United Kingdom (England) | Semivertagus unisulcatus (8124) | |
| Lutetian | France | Clava melanoides, Clava unisulcata (171526) | |
| Lutetian | France (Yvelines) | Clava melanoides (177970 177972 177974) Clava unisulcata (177971) | |
| Lutetian | France (Picardie) | Clava unisulcata (178083 178119) | |
| Bartonian | France (Île-de-France) | Clava unisulcata (179130) | |
| Early/Lower Oligocene | USA (Florida) | Semivertagus menthafontis, Semivertagus silicium (80184) | |
| Rupelian | USA (Mississippi) | Semivertagus menthafontis (5942 5943 5944) Semivertagus silvacollinis (5791) | |
| Middle Miocene | Australia (Western Australia) | Semivertagus sp. (63288) | |
| Late/Upper Miocene | Australia (South Australia) | Semivertagus capillatus (63433 63439) | |
| Late/Upper Pliocene | Australia (Western Australia) | Semivertagus subcalvatus (63353) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (Hawaii) | Semivertagus atromarginatum, Semivertagus nesioticus (89294) | |
| Late/Upper Pleistocene | Australia (Western Australia) | Semivertagus nesioticum (63320) | |
| Late/Upper Pleistocene (interglacial) | USA (Hawaii) | Semivertagus atromarginatum, Semivertagus nesioticus (89289) Semivertagus nesioticus (89290 89402) |