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Trapezotheca
Taxonomy
Trapezotheca was named by Syssoiev (1958) [Sepkoski's age data: Cm Tomm-u O Llvi-l Sepkoski's reference number: 1,1006]. Its type is Hyolithus (Orthotheca) aemulus.
It was assigned to Orthothecidae by Fisher (1962), Rozanov et al. (1969); and to Orthothecida by Sepkoski (2002).
It was assigned to Orthothecidae by Fisher (1962), Rozanov et al. (1969); and to Orthothecida by Sepkoski (2002).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by P. Wagner on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Trapezotheca Syssoiev p. 187 |
| 1962 | Trapezotheca Fisher p. 127 |
| 1969 | Trapezotheca Rozanov et al. p. 145 |
| 2002 | Trapezotheca 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. †Trapezotheca Syssoiev 1958
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†Trapezotheca aemulus Holm 1893
†Trapezotheca bicostata Rozanov et al. 1969
Diagnosis
No diagnoses are available