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Charadrobalaena
Taxonomy
Charadrobalaena was named by Bisconti et al. (2023). Its type is Charadrobalaena valentinae.
It was assigned to Balaenidae by Bisconti et al. (2023).
It was assigned to Balaenidae by Bisconti et al. (2023).
Species
C. valentinae (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Charadrobalaena Bisconti et al. |
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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.
G. †Charadrobalaena Bisconti et al. 2023
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†Charadrobalaena valentinae Bisconti et al. 2023
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Bisconti et al. 2023 | The diagnostic characters of Charadrobalaena n. gen. include: 1) massive expansions of both the tubercles for the longissimus and ileocostalis muscles in the ribs; such expansions protrude externally and show a triangular outline in the first couple of ribs and a squared outline in the following ribs (we note that the triangular protrusions are not observed in other mysticetes and thus this character represents an autapomorphy of Charadrobalaena n. gen.); 2) in contrast to what observed in all the other balaenid species, in Charadrobalaena n. gen., the anteroposterior diameters of the vertebral centra of the thoracic vertebrae posterior to T7 are longer than the corresponding dorsoventral diameters (based on previously published research, in balaenids this character is not observed); 3) anterior end of the dentary projecting medially at an angle of > 41° (this character is not related to post-mortem deformation because we do not observe evident signs of deformation in the bones, and such medial projections are observed in other balaenids even though at a lesser degree); 4) the teres fossa of the scapula is well marked by a crest developed obliquely from the margo caudalis to the
dorsal edge of the scapula (interestingly, the teres fossa is rather indistinct in most chaeomysticetes; in the case of Charadrobalaena valentinae n. gen., n. sp., the teres fossa is well marked by a crest and this represents an autapomorphy of this species). |
Measurements
No measurements are available
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| Source: f = family, subo = suborder, o = order | |||||
| References: Uhen 2004, Nowak 1991 | |||||