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Etelis bathypelagicus
Taxonomy
Etelis bathypelagicus was named by Aguilera et al. (2025). Its type specimen is NMB S.A. 1657, a partial skeleton (Cranial and postcra- nial associated bones), and it is a 3D body fossil. Its type locality is Piña beach STRI locality 620012, which is in a Messinian marginal marine sandstone in the Chagres Formation of Panama.
Synonymy list
| Year | Name and author |
|---|---|
| 2025 | Etelis bathypelagicus Aguilera et al. p. 5 |
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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.
†Etelis bathypelagicus Aguilera et al. 2025
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Aguilera et al. 2025 | Etelis bathypelagicus is distinguished from its congeners by the following characteristics (see character states in Table 2): (1) the skull is moderately deep, with its dorsal margin between the ethmoid and supraoccipital slanted at 29 ͦ relative to the horizontal axis, (2) the orbit is large (3.4 times in head length), (3) the ventral margin of the basioccipital and parasphenoid is straight to slightly oblique, (4) the opercle is roughly triangular and has a remarkably wide angle at the distal margin forming a spine, (5) the posterior margin of the preopercle is mostly evenly serrated, without prominent lobe or spines, (6) the premaxilla has a short ascending process and the ventral margin of the horizontal ramus for most of its length shows alveolar-like structures suggesting a single row of small teeth, (7) the posterior region of the maxilla is wide and thin, (8) the alveolar-like structures in the dentary suggest a single row of small teeth, (9) each pelvic fin has one spine and five soft rays, (10) each pectoral fin has 10 preserved rays, (11) the osteology suggests a morphology characterized by an elongate and slender body, (12) the head is slightly high, (13) the mouth is slightly oblique, (14) the dorsal fin origin is aligned with the base of the pectoral fin, (15) the pelvic fin is short and does not reach the anal fin. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||