|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Spiriferida - Ambocoeliidae
It was recombined as Ambocoelia planoconvexa by Tschernyschew (1902) and Kozlowski (1914); it was recombined as Spirifer (Martinia) planoconvexus by Frech (1911); it was recombined as Crurithyris planoconvexa by Chronic (1953), Liao (1979) and Li et al. (1986).
|Year||Name and author|
|1855||Spirifer planoconvexa Shumard|
|1902||Ambocoelia planoconvexa Tschernyschew p. 196 figs. Pl 20, fig 1; pl 49, fig 7|
|1911||Spirifer (Martinia) planoconvexus Frech p. 143 figs. Pl 7, figs 6a-e; pl 21, figs 6a-c; pl 24, fig 8|
|1914||Ambocoelia planoconvexa Kozlowski p. 76 figs. pl. 1, fig. 5, pl. 10, fig. 1-14, text-fig. 19|
|1953||Crurithyris planoconvexa Chronic p. 65 figs. Pl 5, figs 15a-18; pl 10, figs 7-9b|
|1979||Crurithyris planoconvexa Liao figs. Pl 4, figs 20,21|
|1986||Crurithyris planoconvexa Li et al. figs. Pl 8, fig 8|
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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.