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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parazyga
Taxonomy
Parazyga is a genus. It is not extant. It is the type genus of Parazygidae.
It was assigned to Parazygidae by Williams et al. (2002); and to Spiriferida by Sepkoski (2002).
It was assigned to Parazygidae by Williams et al. (2002); and to Spiriferida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Parazyga Sepkoski |
| 2002 | Parazyga Williams et al. p. 1601 |
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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: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Devonian | USA (New York) | P. hirsuta (91240 91277 91278) | |
| Middle Devonian | USA (Indiana) | P. hirsuta (11101) | |
| Givetian | USA (Indiana) | Trematospira hirsuta (170009) | |
| Givetian | USA (New York) | P. hirsuta (8978 8979 8983 8984 8987 8993 8994 8996 9003 9005 9006 9019 9028 10110 10119 89672 96209 206793) P. sp. (8764 8767 8771 8772 8780 8786 8789) | |
| Famennian | USA (Ohio) | P. sp. (653 3382) |