|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Spiriferida - Elythidae
It was recombined as Squamularia perplexa by Girty (1915), Morningstar (1922) and Dunbar and Condra (1932); it was recombined as Phricodothyris perplexa by Shimer and Shrock (1944); it was recombined as Condrathyris perplexa by Hoare (1961).
|Year||Name and author|
|1859||Spirifer perplexa McChesney p. 49|
|1915||Squamularia perplexa Girty pp. 92-94 figs. pl. 11 f. 1-3a|
|1922||Squamularia perplexa Morningstar p. 191 figs. pl. 9 f. 26-27|
|1932||Squamularia perplexa Dunbar and Condra pp. 313-317 figs. pl. 42 f. 5-8|
|1944||Phricodothyris perplexa Shimer and Shrock p. 328 figs. pl 126 f. 9-10|
|1961||Condrathyris perplexa Hoare pp. 82-83 figs. pl. 11 f. 4-6|
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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.