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Discotomaria
Taxonomy
Discotomaria was named by Batten (1956) [Sepkoski's age data: C Step-l Tr Carn Sepkoski's reference number: 109,797]. It is not extant.
It was assigned to Archaeogastropoda by Sepkoski (2002); and to Phymatopleuridae by Knight et al. (1960), Wagner (2023).
It was assigned to Archaeogastropoda by Sepkoski (2002); and to Phymatopleuridae by Knight et al. (1960), Wagner (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Discotomaria Batten |
| 1960 | Discotomaria Knight et al. p. 215 |
| 2002 | Discotomaria Sepkoski |
| 2023 | Discotomaria Wagner p. G1112 |
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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. †Discotomaria Batten 1956
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†Discotomaria basisulcata Batten 1956
†Discotomaria costata Batten 1958
†Discotomaria dubia Batten 1958
†Discotomaria nodosa Batten 1958
†Discotomaria xingwenensis Pan 1985
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 39 | 3.28 | 1.59 | 5.64 | 3.34 | 0.892 | |
| shell diameter | 39 | 6.39 | 4.35 | 10.0 | 6.53 | 1.47 |
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| Source: o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Asselian to the top of the Wuchiapingian or 298.90000 to 254.14000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Russian Federation (Bashkortostan) | D. basisulcata (202159) | |
| Sakmarian | Russian Federation (Bashkortostan) | D. basisulcata (220898) | |
| Artinskian | USA (Texas) | D. nodosa (101773) | |
| Artinskian | USA (New Mexico) | D. nodosa (101771) | |
| Kungurian | USA (Texas) | D. basisulcata (43495 43513 81644) D. basisulcata, D. dubia (43515) D. basisulcata, D. dubia, D. costata (43491) D. nodosa (43496 43562) | |
| Kungurian | Venezuela (Merida) | D. basisulcata (41507) | |
| Roadian | USA (Texas) | D. costata (43512 81693) D. nodosa (43551) | |
| Roadian - Capitanian | China (Sichuan) | D. xingwenensis (116224) | |
| Wordian | USA (Texas) | D. sp. (43550) | |
| Wuchiapingian | Australia (Queensland) | D. sp. (107356) |