Cubaguanichthys lanceolatus, Schwarzhans & Aguilera, 2024
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publication ID |
https://doi.org/10.1186/s13358-023-00302-5 |
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persistent identifier |
https://treatment.plazi.org/id/492D87AA-FF80-FFCF-018C-FB36669BFEDE |
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treatment provided by |
Felipe |
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scientific name |
Cubaguanichthys lanceolatus |
| status |
sp. nov. |
Cubaguanichthys lanceolatus n. sp.
Figure 22g View Fig
Holotype NMB P15559 View Materials ( Fig. 22g View Fig ), Zanclean , Cubagua FM, above Cerro Negro member, Venezuela, PPP 2568 .
Etymology From lanceolatus (Latin) = lanceolate, referring to the pointed preventral angle.
Diagnosis See diagnosis of genus (monospecific genus).
Description Otolith size 1.7 mm in length; OL:OH = 1.2; OH:OT = 2.5. Ventral rim straight, horizontal and posterior rim straight, vertical forming orthogonal angle. Dorsal rim regularly curved, anteriorly depressed, highest posteriorly at moderately developed postdorsal angle; no postdorsal projection. Preventral projection pointed, distinct; posterior rim without indentation. All rims smooth, slight concavity on dorsal rim behind obtuse postdorsal angle.
Inner face slightly bent. Sulcus relatively long, very narrow, shallow, with very low ostial lobe; OL:SuL = 1.8; sulcus inclination angle 16°. Subcaudal iugum short, wide,
nearly oval in shape. Dorsal depression indistinct. Ventral furrow distinct, close to ventral rim of otolith. Outer face distinctly convex, more than inner face, smooth.
Genus Parrella Ginsburg, 1938
| NMB |
Naturhistorishes Museum |
| FM |
Department of Nature, Fujian Province Museum |
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