Scutus: Difference between revisions

Scutus
	Scutus breviculus shell
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Archaeogastropoda
Family:	Fissurellidae
Genus:	Scutus; Blainville, 1817
Species
	See text.

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Revision as of 16:33, 23 November 2007

Scutus is a genus of large sea snail or limpets with the common name "shield shells". These are marine gastropod molluscs in the family Fissurellidae, the keyhole limpets and slit limpets.

Both the common name and the Latin name reflect the fact that the shells resemble a Roman shield.

Shell description

The shell is oblong and shield-like. The shell has a notch, or an internal groove, to allow a more direct exit of exhalant water currents from the mantle cavity. (Unlike all the other genera in the family Fissurellidae, the shell has no anal fasciole, slit or perforation.) The animal is a sort of black slug, many times larger than the shell. It has large blunt tentacles and the the eyes are positioned at the outer bases.

Species

External links

Powell A W B, New Zealand Mollusca William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1
WikiSpecies

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-'''''Scutus''''' is a [[genus]] of large sea [[snail]] or [[limpet]]s, [[common name]] "shield shells''. These are [[marine (ocean)|marine]] [[gastropod]] [[mollusc]]s in the [[family (biology)|family]] [[Fissurellidae]], the keyhole limpets and slit limpets.
+'''''Scutus''''' is a [[genus]] of large sea [[snail]] or [[limpet]]s with the [[common name]] "shield shells". These are [[marine (ocean)|marine]] [[gastropod]] [[mollusc]]s in the [[family (biology)|family]] [[Fissurellidae]], the keyhole limpets and slit limpets.
-The common name comes from the fact that the shells in this genera resemble a [[Scutum (shield)|Roman shield]].
+Both the common name and the Latin name reflect the fact that the shells resemble a [[Scutum (shield)|Roman shield]].
 ==Shell description==
-The shells are oblong and shield-like. They have a notch, or an internal groove, to allow a more direct exit of exhalant water currents from the [[mantle (mollusc)|mantle]] cavity. (Unlike all the other genera in the family Fissurellidae, the shell has no anal fasciole, slit or perforation.)
+The shell is oblong and shield-like. The shell has a notch, or an internal groove, to allow a more direct exit of exhalant water currents from the [[mantle (mollusc)|mantle]] cavity. (Unlike all the other genera in the family Fissurellidae, the shell has no anal fasciole, slit or perforation.)
 The animal is a sort of black ''slug'', many times larger than the shell. It has large blunt tentacles and the the eyes are positioned at the outer bases.