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Lessiniabatis aenigmatica
Taxonomy
Lessiniabatis aenigmatica was named by Marramà et al. (2019). Its type specimen is MNHN F.Bol.566 , a skeleton, and it is a 3D body fossil. Its type locality is Monte Bolca (Canossa collection), which is in a Ypresian lagoonal/restricted shallow subtidal limestone in Italy. It is the type species of Lessiniabatis.
Synonymy list
| Year | Name and author |
|---|---|
| 2019 | Lessiniabatis aenigmatica Marramà et al. p. 2 figs. Figures 1–7 |
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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.
†Lessiniabatis aenigmatica Marramà et al. 2019
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Marramà et al. 2019 | A dasyatoid stingray unique in having a thoracolumbar synarcual extending backward beyond the pelvic girdle, a tail that is extremely short and not protruding from the posterior edge of the pectoral disc, and pectoral radials that are proximally fused with one another. Moreover, †Lessiniabatis gen. nov. is characterized by the following combination of traits: low number of vertebrae posterior to the pelvic girdle (65–68); dorsal and caudal fins absent; pelvic girdle extremely small and strongly arched; tail stings and cartilaginous tail rod absent; teeth with dasyatoid morphology; enameloid surface smooth; lingual tooth surface broad and slightly convex; labial tooth surface slightly concave; labial and lingual tooth faces not steep in lateral profile; tooth root bilobed, with a central foramen; holaulacorhizid root type with an elongated pulp cavity; sparse, star-shaped dermal den- ticles covering the whole body; about 130–135 pectoral-fin radials (of which 59–61 are propterygial, 16–18 are mesopterygial, and 54–57 are metapterygial); about 120 vertebral centra. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Wagner 2023, Carroll 1988, Hendy et al. 2009 | |||||