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Description ( İngilizce )

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Males to 28.5 mm SVL, females not known. Head slightly wider than long. Snout rounded when viewed from above, truncate to rounded in profile. Nostrils closer to snout tip than to eyes, on slightly raised nasal prominences, but not as terminally located as in N. ceylonensis. No internasal, longitudinal groove present. Nasal capsules not elevated. Canthus rounded. Upper lip barely flared. A bony prominence is present anterior to the corner of the mouth. No dentigerous processes on mandible (present in N. ceylonensis). Tympanum distinct, circular, small to moderate in size, and set obliquely; tympanum is smooth and lacks tubercles. Finger and toe tips slightly pointed in adults. Finger II subequal to Finger IV, both just shorter than Finger III. Toes basally webbed. Inner metatarsal tubercle elongate but indistinct; outer metatarsal tubercle is lacking. Skin has dense, coarse warts, lacking white tips. The largest pustules are on upper eyelids and flanks; some pustules are paired, around the midline, the interorbital space, and on the posterior sacrum. Ventral surfaces are smooth, with males apparently lacking pectoral patches of white-tipped tubercles. Skin not co-ossified to skull. When hindlimbs are adpressed, the heels overlap (vs. heels meeting in N. ceylonensis). Skulls have minor evidence of exostosing (slight roughness) on the nasals only, and lack the heavy secondary ossification found in specimens of N. ceylonensis (Clarke 1983). See Comments section for further discussion of the characteristics differentiating N. guentheri from N. ceylonensis.Some questions have been raised as to whether this species is distinct from N. ceylonensis, an extant species (Stuart et al. 2008). Clarke (1983) thought that the two species were clearly distinct based on his examination of the type series of N. guentheri, both in morphology and osteology. Clarke (1983) also remarks that Kirtisinghe (1957) apparently confused N. guentheri with juvenile N. ceylonensis, and points out that Kirtisinghe's figure 36 lacks densely pustular skin and seems to have a longitudinal internarial groove, lacks a flared upper lip, lacks a bony prominence anterior to the corner of the mouth, has a short Finger IV, has heels meeting when hindlimbs are adpressed, and shows the dorsal pattern of a juvenile N. ceylonensis. See Clarke (1983) for detailed descriptions of the body and osteology of N. guentheri in comparison to those of N. ceylonensis.

Referans

Clarke, B. T. (1983). ''A morphological re-examination of the frog genus Nannophrys (Anura: Ranidae) with comments on its biology, distribution and relationships.'' Zoological Journal of the Linnean Society, 79, 377-398.

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Krystal Gong

Distribution and Habitat ( İngilizce )

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This species was endemic to Sri Lanka and is known only from the general type locality "Ceylon". The exact habitat that this species required is not known (Stuart et al. 2008).
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Life History, Abundance, Activity, and Special Behaviors ( İngilizce )

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This species is known only from the type series of five specimens, collected more than 100 years ago. It has not been rediscovered despite extensive searches and is presumed extinct. Breeding is believed to have taken place on wet rocks near streams, as is the case for other members of the genus Nannophrys (Stuart et al. 2008).
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Krystal Gong

Life History, Abundance, Activity, and Special Behaviors ( İngilizce )

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The exact reasons for this species' extinction are not known (Stuart et al. 2008). Much of Sri Lanka's forest cover has been cut down, so habitat loss was potentially a major factor in the decline of this species.
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Nannophrys guentheri ( Katalanca; Valensiyaca )

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Nannophrys guentheri va ésser una espècie de granota que va viure a Sri Lanka.

Referències

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Nannophrys guentheri: Brief Summary ( Katalanca; Valensiyaca )

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Nannophrys guentheri va ésser una espècie de granota que va viure a Sri Lanka.

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Nannophrys guentheri ( Baskça )

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Nannophrys guentheri Nannophrys generoko animalia da. Anfibioen barruko Dicroglossidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

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Nannophrys guentheri: Brief Summary ( Baskça )

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Nannophrys guentheri Nannophrys generoko animalia da. Anfibioen barruko Dicroglossidae familian sailkatuta dago, Anura ordenan.

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Nannophrys guentheri ( Vietnamca )

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Nannophrys guentheri là một extinct loài ếch thuộc họ Ranidae. Đây là loài đặc hữu của Sri Lanka. Nó được đặt tên theo nhà động vật học Anh sinh ở Đức.

Chú thích

  1. ^ Manamendra-Arachchi, K. & de Silva, A. 2004. Nannophrys guentheri. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. Downloaded on ngày 7 tháng 10 năm 2010.

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Nannophrys guentheri: Brief Summary ( Vietnamca )

wikipedia VI tarafından sağlandı

Nannophrys guentheri là một extinct loài ếch thuộc họ Ranidae. Đây là loài đặc hữu của Sri Lanka. Nó được đặt tên theo nhà động vật học Anh sinh ở Đức.

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wikipedia VI