Tag Archives: USA Hawaii Islands

Newcombia pfeifferi ssp. decorata Pilsbry & Cooke

Decorated Newcombia Snail (Newcombia pfeifferi ssp. decorata)

The Decorated Newcombia Snail was described in 1912, it is, or rather was, endemic to the island of Moloka’i, Hawaiian Islands.

There is obviously no further information available about this species.

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References:

[1] Mike Severns: A new species of newcombia from the Pleistocene of Kaua’i, Hawaiian Islands, USA (Gastropoda, Pulmonata, Achatinellidae). Basteria 73: 57-60. 2009

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edited: 16.05.2020

Newcombia perkinsi Sykes

Perkin’s Newcombia Snail (Newcombia perkinsi)

Perkin’s Newcombia Snail apparently was restricted to the Makakupaia Valley on the island of Moloka’i, Hawaiian Islands, this place is now highly degraded and overgrown by introduced vegetation.

The shells have a size of 2,1 cm in height. [1]

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Perkin’s Newcombia Snail is now considered extinct.

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References:

[1] George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata. Vol 22: Achatinellidae. 1912-1914

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Depiction from: ‘George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata. Vol 22: Achatinellidae. 1912-1914′  

(public domain)  

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edited: 04.06.2021

Newcombia canaliculata (Baldwin)

Channeled Newcombia Snail (Newcombia canaliculata)

The Channeled Newcombia Snail was described in 1905, it was restricted to the easternmost part of Moloka’i, Hawaiian Islands.

The author gave some information about the live animal.:

“Animal when extended in motion as long as the shell. Mantle slate color, margined with brown. Foot light slate, studded on the sides and head above with spots of deeper shade. Tentacles short and slender, dark slate.” [1]

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The species is now considered extinct.

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References:

[1] George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata. Vol 22: Achatinellidae. 1912-1914

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Depiction from: ‘George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata. Vol 22: Achatinellidae. 1912-1914′ 

(public domain) 

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edited: 04.06.2021