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Caviidae: Definition and Much More from Answers.com (1792 words) |
 | Based on morphological studies, capybaras of the family Hydrochaeridae are considered to be the closest relative to the Caviidae. |
| A molecular phylogenetic study by Rowe and Honeycutt in 2002 suggests considerable modification of the current phylogenetic arrangements of both genera in the Caviidae and relationships among families in the superfamily Cavioidea. |
| Assuming that Kerodon was a member of the Caviinae, Lacher in 1981 suggested that similarities in the social system seen in Kerodon and members of the Dolichotinae provided evidence of convergence in response to similar habitat constraints and the distribution of resources. |
| Abstracts - Volumen 10 Número 2 (4513 words) |
| The material consists in an incomplete skull which has a diastema longer than P4-M3 length, the nasolacrimal foramen absent in lateral view, the anterior border of mesopterygoid fossa positioned between the anterior and posterior prisms of M2 and the internal posterior fold of M3 has diverging borders forming an angle less than 90º. |
| This M3 morphology shared with the Dolichotinae-Caviinae clade suggests that parallel borders are a derived feature in some Dolichotinae and the condition observed in the Caviinae is a primitive state. |
| The occurrence of a dolichotine in the late Miocene of southwestern Uruguay suggests open and probably arid or semiarid terrestrial environments. |
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