カンボジアから新記録のTadarida plicata plicataについて

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Recently I had an opportunity to examine a Tadarida specimen was collected in the temple of Angkor Wat, northern Cambodia on 25 August, 1964, by Dr. R. KANO. He kindly presented the specimen to the National Science Museum (Tokyo) . As this specimen was not fresh, it is preserved as a skeleton. Although the accurate identification is quitely impossible due to its a poor condition several skeletal characters indicate that it is probably Tadarida plicata plicata (BUCHANNAN, 1800) new to Cambodia. Characters of the specimen: Complete premaxillary bones isolating two small incisive foramina by their palatal branches indicate that it belongs to the subgenus Chaerephon DOBSON, 1874. Sagittal crest and lambdoid crests evident, braincase is slightly elevated at anterior portion in dorsal profile. Zygomatic arches widest in posterior extremities. Width of mesopterygoid space about a half its length. Gap between anterior upper incisors about 1.5 mm. HILL, 1961 recognized three species, nine subspecies in the subgenus Ciaerephon in the Indo-Australian region. This specimen agrees with seven characters of Tadarida plicata plicata, five of Tadarida plicata dilatata, three of Tadarida plicata insularis, Tadarida jobensis jobensis, and Tadarida jobensis colonicus among ten linear characters given by HILL. This specimens is distinguished from Tadarida plicata tennis, Tadarida plicata luzonus and Tadarida jobensis solomonis, by its much larger dimentions and from T. johorensis by the rostrum not as flat as the latter. Therefore, this specimen seems to be most closely related to Tadarida plicata plicata.
日本哺乳類学会の論文

著者

吉行瑞子
国立科学博物館

カンボジアから新記録のTadarida plicata plicataについて

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