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Protheelia
Taxonomy
Protheelia was named by Frizzell and Exline (1955) [Sepkoski's age data: P Djhu Sepkoski's reference number: 768]. It is considered to be a form taxon. Its type is Chirodota geinitziana.
It was assigned to Chiridotitidae by Deflandre-Rigaud (1962); to Theeliidae by Frizzell and Exline (1955), Frizzell and Exline (1966) and Soodan (1991); and to Apodida by Sepkoski (2002).
It was assigned to Chiridotitidae by Deflandre-Rigaud (1962); to Theeliidae by Frizzell and Exline (1955), Frizzell and Exline (1966) and Soodan (1991); and to Apodida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Protheelia Frizzell and Exline p. 111 |
| 1962 | Protheelia Deflandre-Rigaud p. 94 |
| 1966 | Protheelia Frizzell and Exline p. U668 |
| 1991 | Protheelia Soodan p. 128 |
| 2002 | Protheelia 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. S. Soodan 1991 | The wheel scerites having rim in the plane of the wheel, rim without dentition |