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Olenina (disused)
Taxonomy
Olenina was named by Hupe (1952). It is not extant.
It was assigned to Ptychopariida by Harrington and Leanza (1957) and Fortey (1990).
It was assigned to Ptychopariida by Harrington and Leanza (1957) and Fortey (1990).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Olenina Hupe |
| 1957 | Olenina Harrington and Leanza |
| 1990 | Olenina Fortey p. 561 |
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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.
Subor. †Olenina Hupe 1952
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Invalid names: Hypermecaspididae Harrington and Leanza 1957 [empty], Proetacea Corda 1847 [empty]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. A. Fortey 1990 | Ptychopariida with thin dorsal exoskeleton; free cheeks yoked together as single unit connected by narrow (sag.) doublure (rostral plate present only in the most primitive members of Olenus). |