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Aulacopygus
Taxonomy
Aulacopygus was named by Pomel (1883).
It was synonymized subjectively with Hyboclypus by Kier (1962) and Kier (1966).
It was assigned to Atelostomata by Barras (2007).
It was synonymized subjectively with Hyboclypus by Kier (1962) and Kier (1966).
It was assigned to Atelostomata by Barras (2007).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Aulacopygus Pomel |
| 2007 | Aulacopygus Barras p. 152 |
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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 | |
|---|---|---|
| C. G. Barras 2007 | Stem group Atelostomata with an elongate adjunct apical disc. The disc contains a large number of complemental plates and these separate oculars II and IV. The primitive periproctal groove is retained (Pl. 1, figs 1a, c), together with pore pairs crowded into phyllodes (Fig. 10C) and a peristomial well (Pl. 1, fig. 1b). |