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Neochallaia tellecheai
Taxonomy
Rhadinichthys tellecheai was named by Rusconi (1948). Its type specimen is MCNAM-PV 2702, a partial skeleton, and it is a compression fossil. It is the type species of Neochallaia.
It was recombined as Neochallaia tellecheai by López-Arbarello et al. (2010).
It was recombined as Neochallaia tellecheai by López-Arbarello et al. (2010).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1948 | Rhadinichthys tellecheai Rusconi |
| 1948 | Challaia minor Rusconi pp. 242-244 figs. figures 4-6 |
| 1949 | Neochallaia minor Rusconi pp. 231-234 figs. figure 1 |
| 2010 | Neochallaia tellecheai López-Arbarello et al. p. 252 |
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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.
†Neochallaia tellecheai Rusconi 1948
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Invalid names: Challaia minor Rusconi 1948 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. López-Arbarello et al. 2010 | Small, fusiform actinopterygian with slender body; head length about 0.3 of SL (length from the tip of the snout to the base of the caudal fin at the hinge line); body depth about 0.3 of SL; skull roof bones ornamented with small tubercles; dorsal fin placed at the middle of the body; pelvic fin origin slightly anterior to dorsal fin origin;
caudal fin strongly heterocercal, the dorsal lobe being longer than the ventral lobe; fin rays evenly segmented except for a slightly longer basal segment, and branched only very distally; the lateral line extends enclosed in tubular scales in the body lobe of the tail and, at least for a short span onto the fin web; body completely covered with small and numerous ganoid scales, with smooth surface and finely pectinate posterior border; scales on the body lobe with long and sharp posterodorsally directed posteroventral process; a series of large lanceolate dorsal median scutes preceding the caudal in, which are ornamented with delicate ridges emerging latero-posteriorly from a main median ridge. |