Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus beccarii
Chinese name：
Author： Tapparone-Canefri, 1883
Size： 44.02mm
Description： Specimen found on pineapple plantation’s. South East Sulawesi, East Indonesia. April 2015.
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus semifrenatus
Chinese name：
Author： von Martens, 1900
Size： 25.2, 28.39, 28.8, 30.11 mm
Description： Solid color form, Aceh. North Sumatra. Indonesia.
The color pattern shows affinities to both porcellanus and sumatranus, but A. semifrenatus differs by having a narrow black or brown band that winds around the insertion of the columella and is continued into the aperture above the columellar insertion. Several color varieties have been described but not named, and many shells cannot be fitted into any of the listed variations. Specimens from Atjeh, Sumatra (CNHM 72388), have prominent flames on the upper whorls that disappear below. (Laidlaw & Solem 1961)
Reference materials (參考資料) ：
Amphidromus semifrenatus von Martens, 1900, Nachr, Malak. Gesell., 32: 8-9—Deli, North Sumatra;
Pilsbry, 1900, Man. Conch., (2), 13: 219-220;
Vernhout, 1913 (part). Notes Leyden Mus., 35: 164-155, figs. 1-2;
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus semifrenatus
Chinese name：
Author： von Martens, 1900
Size： 28.8mm
Description： Solid color form, Aceh. North Sumatra. Indonesia.
The color pattern shows affinities to both porcellanus and sumatranus, but A. semifrenatus differs by having a narrow black or brown band that winds around the insertion of the columella and is continued into the aperture above the columellar insertion. Several color varieties have been described but not named, and many shells cannot be fitted into any of the listed variations. Specimens from Atjeh, Sumatra (CNHM 72388), have prominent flames on the upper whorls that disappear below. (Laidlaw & Solem 1961)
Reference materials (參考資料) ：
Amphidromus semifrenatus von Martens, 1900, Nachr, Malak. Gesell., 32: 8-9—Deli, North Sumatra;
Pilsbry, 1900, Man. Conch., (2), 13: 219-220;
Vernhout, 1913 (part). Notes Leyden Mus., 35: 164-155, figs. 1-2;
More detail photo, please click the following PICTURE.
Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus semifrenatus
Chinese name：
Author： von Martens, 1900
Size： 25.2mm
Description： Solid color form, Aceh. North Sumatra. Indonesia.
The color pattern shows affinities to both porcellanus and sumatranus, but A. semifrenatus differs by having a narrow black or brown band that winds around the insertion of the columella and is continued into the aperture above the columellar insertion. Several color varieties have been described but not named, and many shells cannot be fitted into any of the listed variations. Specimens from Atjeh, Sumatra (CNHM 72388), have prominent flames on the upper whorls that disappear below. (Laidlaw & Solem 1961)
Reference materials (參考資料) ：
Amphidromus semifrenatus von Martens, 1900, Nachr, Malak. Gesell., 32: 8-9—Deli, North Sumatra;
Pilsbry, 1900, Man. Conch., (2), 13: 219-220;
Vernhout, 1913 (part). Notes Leyden Mus., 35: 164-155, figs. 1-2;
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus ilsa
Chinese name：
Author： Rensch, 1933
Size： 28.23mm
Description： Taken from short plants, on leaves, in forest. Weh Island, off the coast of Aceh, North Sumatra Island. Indonesia. August, 2015.
Reference materials (參考資料) ：
Amphidromus ilsa Rensch, 1933, Zool. Anz., 102: 206, fig. 11—woods at Sabang, Pulau Weh, Sumatra;
van Benthem Jutting, 1959, Beaufortia, 7, (83), p. 183.
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus porcellanus
Chinese name：
Author： Mousson, 1848
Description： Specimen found on altitude 325 meters high, Lampung, South Sumatra, Indonesia. March, 2014.
The shell is ornamented with relatively narrow radial flames which are usually interrupted by a clear spiral peripheral zone. The base has spiral dark bands and the subsutural zone is white or yellow.
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus porcellanus
Chinese name：
Author： Mousson, 1848
Size： 21.61mm
Description： Specimen found on altitude 325 meters high, Lampung, South Sumatra, Indonesia. March, 2014.
The shell is ornamented with relatively narrow radial flames which are usually interrupted by a clear spiral peripheral zone. The base has spiral dark bands and the subsutural zone is white or yellow.
More detail photo, please click the following PICTURE.
Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus latestrigatus
Chinese name：
Author： Schepman, 1892
Size： 38.38mm
Description： (Brown form), Found on short trees and assorted bushes from Central Sumba Island, Eastern Indonesia. February, 2015.
Many color variations, 3 of this species have been named. Typically they are rather easily separable, but enough intergrading individuals have been found to show that they are variants of one species.
Typical latestrigatus has broad radial flame-like markings and a roseate aperture (Sumba).
Variety sumbaensis Fulton, 1896, usually has the flame markings partially forked above and very irregular and obscured on the lower whorls. Often it is very difficult to separate sumbaensis and latestrigatus.
Variety consobrinus Fulton, 1897, from south Flores, has the color pattern reduced to one or two spiral bands on later whorls, with the lip and apical patches red. All forms have been found on Sumba, but only consobrinus on Flores.
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus perversus perversus
Chinese name：
Author： (Linnaeus, 1758)
Size： 39.21, 40.48, 46.40, 47.42 mm
Description： South West Sulawesi Island, Indonesia. July, 2015. This is the Original/First Amphironus perversus described by Linnaeus. Refer to Pilsbry
The nominate race is a solid yellow shell with black varix and narrow black band behind the peristome and a highly variable polytypic species. It is known from the whole range of the species.
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Phylum： Mollusca 軟體動物門
Class： Gastropods 腹足綱
Family： Camaenidae 南亞蝸牛科
Scientific name： Amphidromus perversus perversus
Chinese name：
Author： (Linnaeus, 1758)
Size： 40.48mm
Description： South West Sulawesi Island, Indonesia. July, 2015. This is the Original/First Amphironus perversus described by Linnaeus. Refer to Pilsbry
The nominate race is a solid yellow shell with black varix and narrow black band behind the peristome and a highly variable polytypic species. It is known from the whole range of the species.
More detail photo, please click the following PICTURE.
Mollusca 軟體動物門 (6) Echinodermata 棘皮動物門 (5) Arthropoda 節肢動物門 (3) 皮膚病 (7)
