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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tetralobula
Taxonomy
Tetralobula was named by Ulrich and Cooper (1936). It is the type genus of Tetralobulinae.
It was assigned to Pentamerida by Sepkoski (2002); to Tetralobulinae by Williams et al. (2002); and to Tetralobulidae by Popov et al. (2005).
It was assigned to Pentamerida by Sepkoski (2002); to Tetralobulinae by Williams et al. (2002); and to Tetralobulidae by Popov et al. (2005).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Tetralobula Ulrich and Cooper |
| 2002 | Tetralobula Sepkoski |
| 2002 | Tetralobula Williams et al. p. 937 |
| 2005 | Tetralobula Popov et al. |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: base of the Dolgellian to the top of the Volkhov or 490.20000 to 469.10000 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Furongian - Tremadocian | Russian Federation (Siberia) | T. sp. (205378) | |
| Dolgellian | Russian Federation (Siberia) | T. sp. (39399 39401) | |
| Mansian | Russian Federation (Siberia) | T. sp. (9287 9289) | |
| Mansian | Russian Federation (Krasnoyar) | T. mediocostata, T. texana (131102) T. texana (131103) | |
| Demingian | USA (Idaho) | T. sp. (103812) | |
| Demingian | USA (Virginia) | T. delicatula (56651) | |
| Gasconadian | USA (Texas) | T. sp. (271) | |
| Tremadocian | Russian Federation (Siberia) | T. shorica (205623) | |
| Tremadocian | USA (Virginia) | T. delicatula (78881) | |
| Canadian | USA (Maryland) | T. sp. (274) | |
| Tremadoc | USA (Montana) | T. sp. (275) | |
| Tremadoc | Russian Federation (Siberia) | T. sp. (9283 9290) | |
| Tremadoc | Russian Federation (Gorny Altai) | T. shorica (186011) | |
| Tremadoc | Russian Federation (Krasnoyar) | T. subquadrata (131104) T. syntrophopsiana (131106) | |
| Tulean | USA (Montana) | T. sp. (287) | |
| Dawan | China (JiangSu) | T. sp. (7876) | |
| Billingen | Russian Federation (Ingria) | T. sp. (191663) | |
| Billingen | Russian Federation | T. peregrina (169209 169211 169217 169248 169250) | |
| Billingen | Russian Federation (Vokhov area) | T. peregrina (169219 169232) | |
| Volkhov | Russian Federation | T. peregrina (169220) |