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Kharisiren cristata
Taxonomy
Kharisiren cristata was named by Saha et al. (2026). Its type specimen is GSI K60/469, a partial skull, and it is a 3D body fossil. Its type locality is Kotada, north, which is in an Aquitanian/Burdigalian coastal claystone in the Khari Nadi Formation of India. It is the type species of Kharisiren.
Synonymy list
| Year | Name and author |
|---|---|
| 2026 | Kharisiren cristata Saha et al. p. 2 figs. Figs. 2–5; Table 1 |
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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.
†Kharisiren cristata Saha et al. 2026
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Saha et al. 2026 | Distinguished from other dugongines by a unique combination of the following derived and plesiomorphic characters (Table 1): c. 141 [2], kite/lozenge-shaped cross section of tusk (shared with K. cylindrica and D. sodhae; lacking in B. kachchhensis and B. indica), c. 6 [2], nasal process of premaxilla dorsally broadened and thickened (shared with Callistosiren boriquensis, K. cylindrica, Rytiodus heali, D. sodhae, and B. kachchhensis; lacking in B. indica); c. 10 [1], upraised boss on the premaxillary symphysis (shared with K. cylindrica, C. boriquensis, Rytiodus heali; lacking in B. kachchhensis and B. indica); c. 45 [1], anterior half of the frontonasal roof sloping anteroventrally with a longitudinal ridge on either side of the midline suture; paired parallel paraglossal crests on either side of the maxilla (shared with B. kachchhensis, lacking in B. indica); frontonasal roof transversely wider than the anterior half of the parietal; the presence of parallel medial ridges on the fronto-nasal roof; concave laterad and bordering the palate. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Nowak 1991, Domning 1979, Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Aquitanian to the top of the Burdigalian or 23.04000 to 15.98000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian - Burdigalian | India (Gujarat) | Kharisiren cristata (type locality: 97632) |