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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Phricodothyris nummulina
Taxonomy
Squamularia (Neophricodothyris) nummulina was named by Reed (1944).
It was recombined as Phricodothyris nummulina by Termier et al. (1974).
It was recombined as Phricodothyris nummulina by Termier et al. (1974).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1944 | Squamularia (Neophricodothyris) nummulina Reed p. 236 figs. Pl 30, figs 7,8 |
1974 | Phricodothyris nummulina Termier et al. p. 139 figs. Pl 32, figs 1-3 |
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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.
†Phricodothyris nummulina Reed 1944
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 2 | 16.5 | 16.0 | 17.0 | 16.5 | 0.707 |
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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 Roadian to the top of the Changhsingian or 272.30000 to 252.17000 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Roadian | Afghanistan | Phricodothyris nummulina (88397) | |
Wuchiapingian | Pakistan | Squamularia nummulina (125893 125903 125904 125918 126281 126293 126453 127005) | |
Wuchiapingian - Changhsingian | Pakistan | Squamularia nummulina (126986) | |
Changhsingian | Pakistan | Squamularia nummulina (126933) |