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Johnmartinia orbicularis
Taxonomy
Isoarca orbicularis was named by Tate (1896). It is not a trace fossil.
It was recombined as Johnmartinia orbicularis by Pojeta and Gilbert-Tomlinson (1977).
It was recombined as Johnmartinia orbicularis by Pojeta and Gilbert-Tomlinson (1977).
Synonymy list
Year | Name and author |
---|---|
1896 | Isoarca orbicularis Tate p. 107 figs. pl. 2 f. 18a-b |
1977 | Johnmartinia orbicularis Pojeta and Gilbert-Tomlinson p. 15 figs. pl. 9 f. 1-8; pl. 10 f. 1-10 |
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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.
†Johnmartinia orbicularis Tate 1896
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Diagnosis
No diagnoses are available