Diunatans, Bosselaers & Post, 2010
publication ID |
https://doi.org/ 10.5252/g2010n2a6 |
DOI |
https://doi.org/10.5281/zenodo.5466315 |
persistent identifier |
https://treatment.plazi.org/id/03AC330B-FFD1-DC4A-FF0C-D4CDBFCAFC13 |
treatment provided by |
Marcus |
scientific name |
Diunatans |
status |
gen. nov. |
Genus Diunatans n. gen.
TYPE SPECIES. — Diunatans luctoretemergo n. sp.
ETYMOLOGY. — Diunatans : “diu” = long time (and hence long distance-) and “natans” (> natare) = swimming (swimmer).
DIAGNOSIS. — Diunatans n. gen. is a small sized rorqual, roughly of the size of extant B. acutorostrata Lacépède, 1804 , characterised by: very short nasal; mediolaterally wide pterygoid fossa; large, robust and prominent occipital condyle; mediolaterally wide squamosal body lateral to the supraoccipital; dorsal bulge on squamosal; tympanic bulla very large compared to zygomatic width; wide, globose tympanic bulla (L/W ratio: 1.24) with sigmoid process perpendicular to long axis; rounded and bulbous pars cochlearis (L/W ratio: 1.23-1.26); very long, slender and curved stapes; massive and square basioccipital process; wide basioccipital.
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