(Posts tagged snail)

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See, that’s what the app is perfect for.

Sounds perfect Wahhhh, I don’t wanna
thebrainscoop
typhlonectes

The Scaly-foot Gastropod (Chrysomallon squamiferum)

… is a species of deep-sea hydrothermal-vent snail, a marine gastropod mollusc in the family Peltospiridae. This vent-endemic gastropod is known only from deep-sea hydrothermal vents in the Indian Ocean, where it has been found at depths of about 2,400–2,800 m (1.5–1.7 mi).

Chrysomallon squamiferum differs greatly from other deep-sea gastropods, even the closely related neomphalines. The shell is of a unique construction, with three layers; the outer layer consists of iron sulfides, the middle layer is equivalent to the organic periostracum found in other gastropods, and the innermost layer is made of aragonite. The foot is also unusual, being armored with iron-mineralised sclerites…

(read more: Wikipedia)

photos: 1 - ChongChen; 2,3 - Nakamura et al.

thebrainscoop

Ooooh we mentioned this amazing creature (and other incredible marine gastropods) in our video The MAGNETO SNAIL! (and other marine gastropods)!

snail
koryos
libutron

A extremely rare land snail from Borneo - Vitrinula sp.

These photos show a rare species of land snails of the genus Vitrinula, probably Vitrinula muluensis (Stylommatophora - Ariophantidae), found on the climb up Gunung Api to the Pinnacles overlook, in Gunung Mulu National Park, Sarawak, Borneo.

The most interesting feature of these snails is that the animal has two mantle-lobes as metallic-colored tendrils covering part of front of shell, which continually lick the shell. Those tendrils are in fact a double penis which exceed the periphery of the shell and are a diagnostic feature of the genus.

Little is known about this rarely seen species, which is not surprising considering that they have a very restricted habitat in the karst area of Gunung Mulu, since as Clements et al. (2008) indicate, limestone karsts on tropical land masses are considered de facto habitat islands due to their isolation from one another by non-calcareous substrata; this spatial configuration limits gene flow and induces high levels of species endemism.

Photo credit: [Top: ©ccdoh1 | Locality: Gunung Api, Sarawak, Borneo, Malaysia (2009)] - [Bottom: ©Alan Cressler | Locality: Gunung Api, Gunung Mulu National Park, Sarawak, Borneo, Malaysia (2009)]

References: [1] - [2]

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