Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dielasma subelongatum
Taxonomy
Dielasma subelongatum was named by Grabau (1934). It is a 3D body fossil. Its type locality is Kamyshla Village, Sok River (PIN collection), which is in a Roadian marine marl/limestone in the Kazan Formation of the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1934 | Dielasma subelongatum Grabau p. 117 figs. Pl 7, fig 13; pl 8, figs 1-6 |
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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.
†Dielasma subelongatum Grabau 1934
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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shell height | 1 | 11.0 |
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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 Wordian to the top of the Wuchiapingian or 266.90000 to 254.17000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Wordian | Pakistan | Dielasma subelongatum (125809) | |
Wuchiapingian | Pakistan | Dielasma subelongatum (126941) |