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Culebratherium
Taxonomy
Culebratherium was named by Velez-Juarbe and Wood (2018). Its type is Culebratherium alemani.
It was assigned to Dugonginae by Velez-Juarbe and Wood (2018).
It was assigned to Dugonginae by Velez-Juarbe and Wood (2018).
Species
C. alemani (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Culebratherium Velez-Juarbe and Wood |
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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. †Culebratherium Velez-Juarbe and Wood 2018
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†Culebratherium alemani Velez-Juarbe and Wood 2018
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Velez-Juarbe and A. Wood 2018 | Sirenian with an estimated body length of 3.7–4.2 m (based on the formulas from Sarko et al., 2010) and characterized by the following unique combination of derived and plesiomorphic characteristics. Shares with Rytiodus heali Domning and Sorbi, 2011, Domningia sodhae Thewissen and Bajpai, 2009, Dioplotherium manigaulti Cope, 1883, D. cf. D. allisoni (Toledo and Domning, 1991), Dioplotherium allisoni (Kilmer, 1965), and Dioplotherium sp.: having the posterior end of nasal process of pre- maxilla broadened and bulbous, forming a transverse butt joint with the frontals and/or nasals (c. 6[2]); shares with Nanosiren sanchezi Domning and Aguilera, 2008, R. capgrandi Lartet, 1866, and Corystosiren varguezi Domning, 1990: having short nasal process of the premaxilla (c. 7[1]); shares with Bharatisiren kachchhensis Bajpai, Singh, and Singh, 1987, D. cf. D. allisoni, Dioplotherium allisoni, and Dioplotherium sp.: having the dorsal surface of premax- illa laterally compressed but without a boss at its posterodorsal end (c. 10[2]); shares with B. kachchhensis, Rytiodus spp., Callistosiren boriquensis Velez-Juarbe and Domning, 2015, Do. sodhae, D. manigaulti, and Xenosiren yucateca: a deeply concave and depressed frontal roof (c. 42[2]); shares with Dugong dugon, Bhar- atisiren spp., R. capgrandi, D. cf. D. allisoni, Dioplotherium allisoni, and Dioplotherium sp.: having the supraorbital process of the frontal divided by a distinct dorsoventral groove on its lateral margin (c. 44 [2]); shares with most dugongines: having a thick and robust preor- bital process of jugal (c. 88[1]), a deep nasal incisure at posterior end of mesorostral fossa (c. 37[1], and orbital rim of jugal that projects laterally, overhanging the lateral surface of the jugal (c. 90[1]); shares with Do. sodhae, D. manigaulti, Dioplotherium allisoni, and Dioplotherium sp.: having lacrimals that contact the lateral surface of the nasal process of the premaxilla (c. 93[1]); shares with Callistosiren boriquensis and D. allisoni: having the posterior border of the palatine deeply indented (c. 97[1]); shares with Kutch- isiren cylindrica, D. cf. D. allisoni, and D. allisoni: having accessory mental foramina (c. 123[0]); shares with most dugongines: having a I1 alveolus that is greater than half the symphysis length (c. 140 [2]); shares with C. boriquensis, Dioplotherium spp., and K. cylindrica: having tusks with lozenge- or kite-shaped cross- section (c. 141[2]). Finally, differs from Dioplotherium spp., Do. sodhae, and K. cylindrica Bajpai, Domning, Das, Velez-Juarbe, and Mishra, 2010, by having an enlarged pterygoid fossa (c. 102 [1]); differs from all other dugongines by having a relatively slender horizontal ramus (c. 128[0]); differs from all other known dugongines by having dorsolateral borders of the exoccipital that are thick and extend posteriorly as a subtriangular flange that over- hangs the posterior surface of the bone (c. 70[3]) but not as extreme as that seen in Dusisiren spp. and Hydrodamalis cuestae Domning, 1978, and maxillae not reaching anteriorly as far as the level of the incisive foramen. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Nowak 1991, Carroll 1988, Domning 1978, Hendy et al. 2009 | |||||
Age range: base of the Aquitanian to the top of the Burdigalian or 23.03000 to 15.97000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian - Burdigalian | Panama | C. alemani (199917) |