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Eridmatus
Taxonomy
Eridmatus was named by Branson (1966) [Sepkoski's age data: C Mosc-u P Asse-l Sepkoski's reference number: 7,417]. Its type is Spirifer texanus.
It was assigned to Spiriferida by Sepkoski (2002); to Spiriferellinae by Waterhouse (2004); and to Spiriferellidae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); to Spiriferellinae by Waterhouse (2004); and to Spiriferellidae by Williams et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Eridmatus Branson p. 75 |
| 2002 | Eridmatus Sepkoski |
| 2004 | Eridmatus Waterhouse |
| 2006 | Eridmatus Williams et al. p. 1805 |
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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. †Eridmatus Branson 1966
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†Eridmatus erjakhensis Kalashnikov 1998
†Eridmatus marathonensis Cooper and Grant 1976
†Eridmatus petita Waterhouse and Waddington 1982
†Eridmatus talbeicus Ifanova 1972
†Eridmatus texanus Meek 1871
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 19.6 | 10.6 | 53.6 | 16.5 | 12.6 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Missourian to the top of the Wordian or 306.00000 to 264.28000 Ma
Collections (46 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Missourian | USA (Texas) | E. texanus (159900 159901) | |
| Gzhelian | USA (Texas) | E. marathonensis (43457 43476 43483 43485 43486 43488 43522 43536) E. sp. (43506) E. sp., E. marathonensis (43484) Spirifer texanus (149720 149854 150567) | |
| Virgilian | USA (Texas) | E. marathonensis (43456) E. sp. (50197) Neospirifer texanus (1048 1049 1053 1058) | |
| Asselian | USA (Texas) | E. marathonensis (43584) E. sp. (43468 43475 105723) Spirifer texanus (108401 149856) | |
| Asselian | Canada (Yukon) | E. petita (101732 121748 121763 121820 121822 121823 121826 121835 121836) | |
| Sakmarian | Canada (Yukon) | E. petita (121837) | |
| Sakmarian | Russian Federation | E. erjakhensis (110138) E. talbeicus (110195) | |
| Artinskian | Russian Federation | E. talbeicus (110171) | |
| Kungurian | Svalbard and Jan Mayen | E. sp. (120921) | |
| Kungurian | USA (Texas) | E. sp. (75865) | |
| Kungurian | Russian Federation | E. erjakhensis (110205) E. sp., E. erjakhensis (110184) E. talbeicus (110007) | |
| Roadian - Wordian | USA (California) | Neospirifer texanus (105670) |