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Taxonomy
Orbicula trigonalis was named by M'Coy (1844).
It was recombined as Crania trigonalis by Davidson (1861); it was recombined as Philhedra trigonalis by Brunton (1968).
It was recombined as Crania trigonalis by Davidson (1861); it was recombined as Philhedra trigonalis by Brunton (1968).
Sister species lacking formal opinion data
Synonymy list
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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.
†Philhedra trigonalis M'Coy 1844
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Hendy 2009, Williams et al. 1996 | |||||