Analysis of craniometric variation in Ctenomys talarum (Rodentia, Ctenomyidae)
A morphometric analysis on the skull of five populations of Ctenomys talarum was performed; these populations represent the three subspecies recognized for this species of tuco-tuco (i.e. C. t. talarum, C. t. recesus y C. t. occidentalis). We analyzed the skull geographic variation and the sexual di...
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2009
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| LEADER | 11272caa a22008417a 4500 | ||
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| 001 | PAPER-9004 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518203852.0 | ||
| 008 | 140217s2009 xx ||||fo|||| 00| 0 spa|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-70349675905 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a García Esponda, C.M. | |
| 245 | 1 | 0 | |a Analysis of craniometric variation in Ctenomys talarum (Rodentia, Ctenomyidae) |
| 260 | |c 2009 | ||
| 270 | 1 | 0 | |m García Esponda, C. M.; Facultad de Ciencias Naturales y Museo, calle 64 s/n (esq. 120), 1900 La Plata, Argentina; email: cesponda@fcnym.unlp.edu.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a Tiranti, S.I., Dyzenchauz, F.J., Hasson, E.R., Massarini, A.I., Evolutionary and systematic relationships among tuco-tucos of the Ctenomys pundti complex (Rodentia: Octodontidae): A cytogenetic and morphological approach (2005) Mammalia, 69, pp. 69-80 | ||
| 504 | |a Tiranti, S.I., Massarini, A.I., (1998) Variación cromosómica en el grupo Ctenomys mendocinus (Rodentia: Ctenomyidae) en el área central de Argentina. 12 Jornadas Argentinas de Mastozoología, p. 2. , Misiones, Argentina, Addenda | ||
| 504 | |a Tiranti, S.I., Massarini, A.I., (1999) Consideraciones acerca del género Ctenomys en la provincia de La Pampa (Rodentia Octodontidae). 7 Jornadas Pampeanas de Ciencias Naturales, pp. 313-318. , Santa Rosa, Argentina | ||
| 504 | |a Ubilla, M., Altuna, C.A., Morfología diferencial y dimorfismo sexual en la pelvis de Ctenomys pearsoni Lessa y Langguth, 1983 y C. rionegrensis Langguth y Abella, 1970 (Rodentia: Octodontidae) (1987) Iheringia, 66, pp. 33-42 | ||
| 504 | |a Vasallo, A.I., Mora, M.S., Interspecific scaling and ontogenetic growth patterns of the skull in living and fossil ctenomyid and octodontid rodents (Caviomorpha: Octodontoidea) (2007) The quintessential naturalist: Honouring the life and legacy of Oliver Pearson, pp. 945-968. , (DA Kelt, EP Lessa, J Salazar-Bravo y JL Patton, eds.), University of Cali fornia Publications in Zoology 134, Berkeley | ||
| 520 | 3 | |a A morphometric analysis on the skull of five populations of Ctenomys talarum was performed; these populations represent the three subspecies recognized for this species of tuco-tuco (i.e. C. t. talarum, C. t. recesus y C. t. occidentalis). We analyzed the skull geographic variation and the sexual dimorphism. When studying the geographic variation, two types of discriminant analyses were performed: one from the raw data and another from scale-corrected data, after a method that removes the information related to size was applied. We observed a significant sexual dimorphism in C. talarum; in conse-quence analyses of geographic variation were conducted separately in males and females. Results from these analyses showed significant differences between populations that were mainly due to the overall size of the skull, both in males and females. After influence of size was removed, differences between populations (due to shape differences on the skull) were less significant. Likewise, the geographic craniometric variation observed was not in agreement with the three nominal species of C. talarum, therefore, these results do not support their recognition. In the genus Ctenomys, size is assumed to be a very important evolutive character, both at the intraspecific as well as the interspecific levels. © SAREM, 2009. |l eng | |
| 593 | |a Facultad de Ciencias Naturales y Museo, calle 64 s/n (esq. 120), 1900 La Plata, Argentina | ||
| 593 | |a Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC), Argentina | ||
| 593 | |a Facultad de Ciencias Exactas y Naturales, Uruguay 151, 6300 Santa Rosa, Argentina | ||
| 651 | 4 | |a ARGENTINA | |
| 690 | 1 | 0 | |a CRANIOMETRY |
| 690 | 1 | 0 | |a CTENOMYS TALARUM |
| 690 | 1 | 0 | |a GEOGRAPHIC VARIATION |
| 690 | 1 | 0 | |a SEXUAL DIMORPHISM |
| 690 | 1 | 0 | |a CTENOMYIDAE |
| 690 | 1 | 0 | |a CTENOMYS |
| 690 | 1 | 0 | |a CTENOMYS TALARUM |
| 690 | 1 | 0 | |a RODENTIA |
| 700 | 1 | |a Moreira, G.J. | |
| 700 | 1 | |a Justo, E.R. | |
| 700 | 1 | |a de Santis, L.J.M. | |
| 773 | 0 | |d 2009 |g v. 16 |k n. 1 |p Mastozoologia Neotropical |x 03279383 |t Mastozoologia Neotropical | |
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