Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Protheelia

Holothuroidea - Apodida - Theeliidae

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).

Synonymy list
YearName and author
1955Protheelia Frizzell and Exline p. 111
1962Protheelia Deflandre-Rigaud p. 94
1966Protheelia Frizzell and Exline p. U668
1991Protheelia Soodan p. 128
2002Protheelia Sepkoski, Jr.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
classHolothuroidea()
orderApodida
familyTheeliidae
genusProtheelia

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
ReferenceDiagnosis
K. S. Soodan 1991The wheel scerites having rim in the plane of the wheel, rim without dentition