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Slapylites
Taxonomy
Slapylites was named by Marek (1980) [Sepkoski's age data: Cm lMid Sepkoski's reference number: 1250].
It was assigned to Hyolithida by Sepkoski (2002); and to Slapylitidae by Valent et al. (2017).
It was assigned to Hyolithida by Sepkoski (2002); and to Slapylitidae by Valent et al. (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Slapylites Marek |
| 2002 | Slapylites Sepkoski |
| 2017 | Slapylites Valent et al. p. 500 |
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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 | |
|---|---|---|
| M. Valent et al. 2017 | Platyclaviculate operculum. Broad clavicles enclose several narrow distally opened cavities. Aperture amblygonal to orthogonal. Lateral edges roundly sharp. External surface of the dorsal side ornamented with fine transverse anastomosing and often discontinuous fine ribs, giving the surface a reticule-like appearance. Ventral side bears only fine growth-lines (adapted and shortened from Marek, 1980, p. 157). |