Tag Archives: Newcombia

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 pfeifferi (Newcomb)

Pfeiffer’s Newcombia Snail (Newcombia pfeifferi)

Pfeiffer’s Newcombia Snail was described in 1853, it inhabited the rainforests at the higher elevations in the center of Moloka’i, Hawaiian Islands.

The shells reach sizes of 1,5 to 1,7 cm in height. [1]

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Pfeiffer’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 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

Newcombia gagei Severns

Gage’s Newcombia Snail (Newcombia gagei) 

This species was described in 2009, it was described based on subfossil shells that were collected from the Waipoli Dune fossil deposit on the island of Kaua’i, Hawaiian Islands. The age of these deposit is not known but is most likely Late Pleistocene/Early Holocene.

The shells of this species reached sizes of 2,49 cm, making it one of the largest species in its genus. [1]

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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: 16.06.2020

Newcombia philippiana (Pfeiffer)

Philippiana Newcombia Snail (Newcombia philippiana) 

The Philippiana Newcombia Snail was described in 1857, the species is known only from the type series which was collected on one of the Hawaiian Islands (most likely Moloka’i), its taxonomic status, however, is not fully understood.

The species is considered extinct. [1]

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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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edited: 16.06.2020

Newcombia sulcata (Pfeifer)

Furrowed Newcombia Snail (Newcombia sulcata) 

The Furrowed Newcombia Snail was described in 1857, like most of its congeners, it was endemic to the island of Moloka’i, Hawaiian Islands.

The shells reached sizes of 1,1 cm in heigth.

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“This species can be confused with no other. the whorls are regularely, obsoletely, transversely striate, increasing in strength to the last whorls and disappear on the lower half of the last whorl. the color is red-brown, becoming more intense with the increase of the whorls, and on the last whorl it is quite shining dark red-brown.” [1]

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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: 16.06.2020