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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parazygidae
Taxonomy
Parazygidae was named by Alvarez et al. (1998). Its type is Parazyga.
It was assigned to Rhynchospirinoidea by Williams et al. (2002).
It was assigned to Rhynchospirinoidea by Williams et al. (2002).
Subtaxa
Parazyga (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Parazygidae Alvarez et al. p. 847 |
| 2002 | Parazygidae 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.
Fm. †Parazygidae Alvarez et al. 1998
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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) | Parazyga hirsuta (91240 91277 91278) | |
| Middle Devonian | USA (Indiana) | Parazyga hirsuta (11101) | |
| Givetian | USA (New York) | Parazyga hirsuta (8978 8979 8983 8984 8987 8993 8994 8996 9003 9005 9006 9019 9028 10110 10119 89672 96209 206793) Parazyga sp. (8764 8767 8771 8772 8780 8786 8789) | |
| Givetian | USA (Indiana) | Trematospira hirsuta (170009) | |
| Famennian | USA (Ohio) | Parazyga sp. (653 3382) |