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Titolo:
SHAPE OF SCAPULAR FOSSAE IN FRESH-WATER AND MARINE DOLPHINS
Autore:
SMITH TD; MOONEY MP; SIEGEL MI; TAYLOR AB; BURROWS AM;
Indirizzi:
UNIV PITTSBURGH,DEPT ANTHROPOL,3H01 FORBES QUAD PITTSBURGH PA 15260
Titolo Testata:
Journal of mammalogy
fascicolo: 2, volume: 75, anno: 1994,
pagine: 515 - 519
SICI:
0022-2372(1994)75:2<515:SOSFIF>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
TENSOR;
Keywords:
INIA-GEOFFRENSIS; PONTOPORIA-BLAINVILLEI; DELPHINUS-DELPHIS; SCAPULAR MORPHOLOGY; TENSOR BIOMETRIC ANALYSIS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
T.D. Smith et al., "SHAPE OF SCAPULAR FOSSAE IN FRESH-WATER AND MARINE DOLPHINS", Journal of mammalogy, 75(2), 1994, pp. 515-519

Abstract

Recent studies of the cetacean shoulder attributed variation in morphology to differences in behavior. However, the extent to which such variations are phylogenetic versus functional in origin remains unresolved. Scapular morphology as a function of taxonomic affinity and environment in three species of dolphins was examined in the present study. Data were based on linear measurements from cleaned and dried right scapulae of adult specimens of Pontoporia blainvillei, Inia geoffrensis,and Delphinus delphis. Triangles were constructed to represent shapesof supraspinous, infraspinous, and teres major fossae and subjected to tensor biometric analysis. Significant differences existed between species for mean relative size and shape of these fossae. The marine P.blainvillei differed from another iniid, I. geoffrensis (freshwater),in the shape of scapular fossae related to forelimb rotation, but wassimilar in these fossae to D. delphis. The latter was a more distantly related marine dolphin. The musculature of these fossae may be of particular interest for future biomechanical studies of the forelimb of marine dolphins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/08/20 alle ore 14:10:48