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Worthenia schirjaevensis
Taxonomy
Mourlonia schirjaevensis was named by Stuckenberg (1905). It is not a trace fossil.
It was recombined as Worthenia schirjaevensis by Delpey (1941), Batten (1972) and Murata (1974).
It was recombined as Worthenia schirjaevensis by Delpey (1941), Batten (1972) and Murata (1974).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1905 | Mourlonia schirjaevensis Stuckenberg p. 97 figs. Pl 12, fig 11 |
1941 | Worthenia schirjaevensis Delpey p. 355 figs. f. 27 |
1972 | Worthenia schirjaevensis Batten p. 33 figs. f. 38 |
1974 | Worthenia schirjaevensis Murata p. 79 figs. Pl 2, figs 12-14 |
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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.
†Worthenia schirjaevensis Stuckenberg 1905
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 12.1 | 7.60 | 16.5 | 14.3 | 4.64 | |
shell diameter | 3 | 7.50 | - | - | 7.50 | - |
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Source: o = order | |||||
Reference: Bambach et al. 2007 |
Age range: base of the Kungurian to the top of the Capitanian or 279.30000 to 259.51000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Kungurian | Malaysia (Perak) | Worthenia schirjaevensis (62131) | |
Capitanian | Cambodia | Worthenia schirjaevensis (40947 107272 107276 107277 107278 107280 107282) |