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Klapperina
Taxonomy
Klapperina is a genus. It is not extant.
It was synonymized subjectively with Palmatolepis by Clark et al. (1981).
It was assigned to Conodontophorida by Sepkoski (2002); to Polygnathida by Ovnatanova and Kononova (2008); and to Polygnathidae by Ovnatanova et al. (2017).
It was synonymized subjectively with Palmatolepis by Clark et al. (1981).
It was assigned to Conodontophorida by Sepkoski (2002); to Polygnathida by Ovnatanova and Kononova (2008); and to Polygnathidae by Ovnatanova et al. (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Klapperina Sepkoski |
| 2008 | Klapperina Ovnatanova and Kononova p. 1082 |
| 2017 | Klapperina Ovnatanova et al. p. 1059 |
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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 | |
|---|---|---|
| N. S. Ovnatanova and L. I. Kononova 2008 | Pa element planate; platform flat and bladelike; anterior end rounded; posterior end pointed. Median ridge straight and denticulated. Free blade short, about one-fifth or one-sixth of platform length. Platform surface shagreened or covered with coarse nodes. Basal cavity large, distinctly asymmetrical, located in middle or, sometimes, in posterior part of lower platform surface, varying from triangular to L-shaped, with margins elevated above lower surface. Keel thin and filiform (Fig. 20). |