Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Phreatophasma
Taxonomy
Phreatophasma was named by Efremov (1954). It is not extant.
It was assigned to Caseidae by Reisz (1986), Carroll (1988), Ivakhnenko (2008) and Brocklehurst and Froebisch (2017).
It was assigned to Caseidae by Reisz (1986), Carroll (1988), Ivakhnenko (2008) and Brocklehurst and Froebisch (2017).
Species
Synonymy list
Year | Name and author |
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1954 | Phreatophasma Efremov |
1986 | Phreatophasma Reisz |
1988 | Phreatophasma Carroll |
2008 | Phreatophasma Ivakhnenko |
2017 | Phreatophasma Brocklehurst and Froebisch |
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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, subp = subphylum, uc = unranked clade | |||||
References: Carroll 1988, Hendy et al. 2009 |
Age range: base of the Ufimian to the top of the Late/Upper Kazanian or 279.50000 to 268.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Ufimian - Late/Upper Kazanian | Russian Federation (Bashkortostan) | P. aenigmaticum (80688) |