Sanakirja
Tekoälykääntäjä
Kuvat 6

Käännöksiä ei löytynyt valitulle kohdekielelle.

Määritelmät

Substantiivi

  1. (malacology) The proteinaceous outer sheath of many molluscan shells.

Taivutusmuodot

Monikkoperiostraca

Luokat


(malacology) The proteinaceous outer sheath of many molluscan shells.

The shell of Stenotrema florida, a land snail or terrestrial gastropod. The periostracum of this species has minute hairs, giving the snail a velvety feel

(malacology) The proteinaceous outer sheath of many molluscan shells.

A yellowish tan periostracum is visible on the lower two thirds of this juvenile (8 cm) valve of the marine bivalve Spisula solidissima

(malacology) The proteinaceous outer sheath of many molluscan shells.

The dark periostracum is flaking off of this dried-out valve of the "ocean quahog", marine bivalve Arctica islandica, from Wales