Early evolutionary radiation and diversity of the old world telemetacarpal deer (Capreolinae, Cervidae, Mammalia)
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CROITOR, Roman. Early evolutionary radiation and diversity of the old world telemetacarpal deer (Capreolinae, Cervidae, Mammalia). In: Neues Jahrbuch fur Geologie und Palaontologie - Abhandlungen, 2021, nr. 1(300), pp. 33-67. ISSN 0077-7749. DOI: https://doi.org/10.1127/njgpa/2021/0978
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Neues Jahrbuch fur Geologie und Palaontologie - Abhandlungen
Numărul 1(300) / 2021 / ISSN 0077-7749

Early evolutionary radiation and diversity of the old world telemetacarpal deer (Capreolinae, Cervidae, Mammalia)

DOI:https://doi.org/10.1127/njgpa/2021/0978

Pag. 33-67

Croitor Roman
 
Institute of Zoology
 
 
Disponibil în IBN: 17 mai 2021


Rezumat

The article proposes a taxonomical and systematic revision of poorly known cervids from the Late Miocene of Europe that often are included in the subfamily Pliocervinae Symeonidis, 1974. The revision of taxonomic acts demonstrated the priority of Damacerus Khomenko, 1913 over Cervavitus Khomenko, 1913. According to the available data on cranial and antler morphology, the genus Damacerus should be restricted to the type species Damacerus bessarabiae Khomenko, 1913. Metadicrocerus Schlosser, 1924 is another monotypic genus containing a comparatively advanced cervid form M. variabilis (Aleksejev, 1913) that represents a peculiar transitional evolutionary stage between holometacarpal and telemetacarpal morphological conditions. The genus Pliocervus Hilzheimer, 1922 is based on a rather primitive cervid Pliocervus matheroni (Gervais, 1852) closely related to capreoline deer Pavlodaria orlovi (Flerov, 1950) from the Late Miocene of Central Asia. The multivariate analysis of craniodental (including antlers) and some postcranial characters nested the Late Miocene European “Pliocervinae” within the subfamily Capreolinae. According to the obtained results, the subfamily Capreolinae gave a rich Late Miocene evolutionary radiation in western Eurasia that includes the genera Lucentia, Procapreolus, Turiacemas, Damacerus, Pliocervus, Metadicrocerus, Neomegaloceros, and Cervodama. The genus Lucentia represents the most primitive two-pointed stage of antler evolution within Capreolinae. Platycemas infans from the Late Tertiary of China most probably is a Capreolinae species that represents an evolutionary direction toward the antler reduction. The subfamily Pliocervinae Symeonidis, 1974 in its traditional understanding is a polyphyletic taxon. The article proposes a discussion of the antler bauplan evolution in the subfamily Capreolinae, as well as some diagnostic cranial and postcranial morphological features of this taxonomic group. 

Cuvinte-cheie
Antlers, Cervavitus, Craniodental morphology, Holometacarpal limbs, Pliocervinae, Pliocervus