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Quadratia
Taxonomy
Quadratia was named by Muir-Wood and Cooper (1960) [Sepkoski's age data: C Tour-l C Serp-l Sepkoski's reference number: 1]. It is the type genus of Quadratiinae.
It was assigned to Chonopectinae by Muir-Wood and Cooper (1960); to Quadratiinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Chonopectinae by Muir-Wood and Cooper (1960); to Quadratiinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Quadratia Muir-Wood and Cooper p. 161 |
| 2000 | Quadratia Williams et al. p. 583 |
| 2002 | Quadratia Sepkoski |
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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.
G. †Quadratia Muir-Wood and Cooper 1960
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†Quadratia alifera Girty 1899
†Quadratia egregia Carter 1967
†Quadratia hirsutiformis Walcott 1884
†Quadratia patula Girty 1915
Diagnosis
No diagnoses are available