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Parvispina
Taxonomy
Parvispina was named by Kornicker and Imbrie (1958) [Sepkoski's age data: C Ms T Mi]. It is considered to be a form taxon. Its type is Stichopites spinosus.
It was assigned to Stichopitidae by Kornicker and Imbrie (1958), Deflandre-Rigaud (1962) and Frizzell and Exline (1966); and to Aspidochirotida by Pawson (1966) and Sepkoski (2002).
It was assigned to Stichopitidae by Kornicker and Imbrie (1958), Deflandre-Rigaud (1962) and Frizzell and Exline (1966); and to Aspidochirotida by Pawson (1966) and Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Parvispina Kornicker and Imbrie p. 94 |
| 1962 | Parvispina Deflandre-Rigaud p. 43 |
| 1966 | Parvispina Frizzell and Exline p. U662 |
| 1966 | Parvispina Pawson p. U645 |
| 2002 | Parvispina 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. †Parvispina Kornicker and Imbrie 1958
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†Parvispina harpago Kornicker and Imbrie 1958
†Parvispina spinosa Frizzell and Exline 1955
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. S. Kornicker and I. Imbrie 1958 | Sclerite in the form of a straight tapering rod with spines. |