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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Paraechmina
Taxonomy
Paraechmina was named by Ulrich and Bassler (1923) [Sepkoski's age data: S Wenl D l]. It is not extant.
It was assigned to Aechminidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
It was assigned to Aechminidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Paraechmina Ulrich and Bassler |
| 1961 | Paraechmina Benson et al. |
| 2002 | Gibba Sepkoski |
| 2002 | Paraechmina Sepkoski |
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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: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Sheinwoodian to the top of the Pridoli or 433.40000 to 419.20000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery - Ludlow | USA (Maryland) | P. abnormis, P. postica (41128) P. crassa (41016) P. depressa (41090) P. postica (41100 41101) | |
| Sheinwoodian | USA (New York) | P. postica (82510 82545 82559 82597) | |
| Wenlock | USA (New York) | P. postica (12935 81805 81840 81873 81898 81917 81920 82501) P. sp. (469 474 541) | |
| Ludlow - Pridoli | USA (West Virginia) | P. dubia (41729) | |
| Pridoli - Lochkovian | USA (Oklahoma) | P. spp. (26826) |