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Trigonatrypa
Taxonomy
Trigonatrypa was named by Havlíček (1990) [Sepkoski's age data: D Eife Sepkoski's reference number: 1149]. Its type is Meristella holynensis.
It was assigned to Atrypida by Sepkoski (2002); and to Glassiidae by Williams et al. (2002), Baarli and Mergl (2025).
It was assigned to Atrypida by Sepkoski (2002); and to Glassiidae by Williams et al. (2002), Baarli and Mergl (2025).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Trigonatrypa Havlíček |
| 2002 | Trigonatrypa Sepkoski |
| 2002 | Trigonatrypa Williams et al. p. 1470 |
| 2025 | Trigonatrypa Baarli and Mergl p. 1065 |
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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. †Trigonatrypa Havlíček 1990
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†Trigonatrypa baucis Barrande 1847
†Trigonatrypa holynensis Havlíček 1956
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Emsian to the top of the Eifelian or 410.62000 to 387.95000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Devonian - Eifelian | Czechia | Meristella holynensis (12148) | |
| Early/Lower Emsian | Czechia (Praha) | T. protobaucis (5804) | |
| Emsian | Czechia | T. protobaucis (5800 5803) T. protobaucis, T. securis (5815) | |
| Late/Upper Emsian | Morocco | T. sp. (208263) | |
| Late/Upper Emsian - Eifelian | Morocco | T. drotae (207889) | |
| Late/Upper Emsian - Eifelian | Czechia | T. protobaucis (5783) | |
| Eifelian | Czechia (Central Bohemian) | T. baucis (276604) | |
| Eifelian | Czechia | T. baucis (5816 5817 5818) T. securis, T. baucis (5792 5819) |