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Tetrarhabdus
Taxonomy
Tetrarhabdus was named by Kesling and Chilman (1978). It is not extant.
It was assigned to Amphissellidae by Kesling and Chilman (1978).
It was assigned to Amphissellidae by Kesling and Chilman (1978).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Tetrarhabdus Kesling and Chilman |
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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. †Tetrarhabdus Kesling and Chilman 1978
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†Tetrarhabdus pygmaeus Kesling and Chilman 1978
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. V. Kesling and R. B. Chilman 1978 | Carapace very small, subrectangular, with a straight hinge line slightly shorter than length of carapace. Valves almost equal, the right overlapping the left a little along the free edge. Fine vertical ridges (normally four) extending from dorsal to ventral borders, with fainter lines and very small punctae interspersed between them. In some specimens, a very small smooth spot visible in central area. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||