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Helicoprion davisii
Taxonomy
Edestus davisii was named by Woodward (1886). It is a 3D body fossil.
It was recombined as Helicoprion davisii by Teichert (1940) and Tapanila and Pruitt (2013).
It was recombined as Helicoprion davisii by Teichert (1940) and Tapanila and Pruitt (2013).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Edestus davisii Woodward |
| 1891 | Edestus davisii Woodward p. 153 |
| 1907 | Lissoprion ferrieri Hay p. 22 fig. 1 |
| 1909 | Lissoprion ferrieri Hay p. 52 figs. pl. 14 figs 1-2, pl. 15, text-fig 7 |
| 1939 | Helicoprion sierrensis Wheeler pp. 112-113 figs. Figure 4 |
| 1940 | Helicoprion davisii Teichert p. 145 figs. Plate 22, figures 1-4; plate 23, figures 1-4 |
| 1966 | Helicoprion ferrieri Bendix-Almgreen p. 14 figs. Pls 1-6; pl 7, fig 2; pl 8; pl 9, figs 1-3; pls 10-13; pl 14, figs 1,2; text-figs 3,4,7-24 |
| 1976 | Helicoprion ferrieri Kelly and Zangerl |
| 2007 | Helicoprion jingmenense Chen et al. |
| 2013 | Helicoprion ferrieri Tapanila et al. fig. 2 |
| 2013 | Helicoprion davisii Tapanila and Pruitt p. 977 figs. 2.1-2.5, 12.1 |
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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.
†Helicoprion davisii Woodward 1886
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Invalid names: Helicoprion jingmenense Chen et al. 2007 [synonym], Helicoprion sierrensis Wheeler 1939 [synonym], Lissoprion ferrieri Hay 1907 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Wagner 2023, Hendy et al. 2009 | |||||
Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 268.80000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cisuralian | USA (California) | Helicoprion sierrensis (118113) | |
| Artinskian | USA (Texas) | Helicoprion ferrieri (105721) | |
| Kungurian | China (Hubei) | Helicoprion jingmenense (120307) | |
| Kungurian | Mexico (Puebla) | Helicoprion sp. (90679) | |
| Kungurian | USA (Texas) | Helicoprion sp. (90276) | |
| Kungurian | Australia (Western Australia) | Helicoprion davisii (118112) | |
| Roadian | USA (Wyoming) | Lissoprion ferrieri (108931) | |
| Roadian | USA (Idaho) | Helicoprion davisii (152127 152128 152129 152130) Helicoprion ferrieri (140078) Lissoprion ferrieri (132826) | |
| Roadian | USA (Texas) | Helicoprion sp. (152125) | |
| Roadian | Canada (Nunavut) | Helicoprion sp. (90234 152126) |