A shows a freshwater shell (Vivipara) with entire mouth, whilst B exhibits the shell of a marine gastropod (Pleurotoma) with a notched mouth.
Most of the gastropod mollusks, however, live in the water, some inhabiting ponds and streams, while others dwell in the sea.
This would mark a real division, for the first heap would have the clam-like mollusks which we call bivalves, and the second would have those coiled gastropod mollusks that we may call sea-snails.
THE COWRY One of the prettiest of the gastropod shells, is that of the cowry, in some parts of Africa used as money.
One of a group of gastropod mollusks, with a shell composed of eight movable dorsal plates.
A subclass of gastropod mollusks in which the sexes are separate.
A large division of gastropod molluske, including the Pulmonifera and Opisthobranchiata.
An extensive division of gastropod Mollusca in which the loop or visceral nerves is twisted, and the sexes separate.
An order of gastropod Mollusca having a heart with two auricles and one ventricle.
The anterior prolongation of the margin of any gastropod shell for the protection of the soft siphon.
One of the tubes or folds of the mantle border of a bivalve or gastropod mollusk by which water is conducted into the gill cavity.
B, The same, partially everted by eversion of the sides, as in the Nemertine proboscis and Gastropod eye-tentacle = pleurecbolic.
It is rare for the gill-plume of a Pectinibranch Gastropod to stand out freely as a plume, but occasionally this more archaic condition is exhibited as in Valvata (fig.
In a dextral Gastropodthe shell is coiled in a right-handed spiral from apex to mouth, and the spiral also projects to the right of the median plane of the animal.
Four stages in the development of a Gastropod showing the process of body torsion.
The problem of the causes of the torsion of the Gastropod body has been much discussed.
Any larval gastropod or bivalve mollusk in the state when it is furnished with one or two ciliated membranes for swimming.
An extensive artificial division of gastropod mollusks, including those that breathe by gills, as contrasted with the Pulmonifera.
Defn: A group of gastropod mollusks having a tubular shell.
Defn: A division ofgastropod Mollusca, including the chitons.
Defn: An extensive division of gastropod mollusks in which the odontophore is long and narrow, and usually bears seven rows of teeth.
Defn: An order of gastropod Mollusca having a heart with two auricles and one ventricle.
Defn: An extensive division ofgastropod Mollusca in which the loop or visceral nerves is twisted, and the sexes separate.
Defn: An extensive artificial division of gastropod mollusks, including those that breathe by gills, as contrasted with the Pulmonifera.
Defn: Any marine gastropod belonging to Pleurotoma, and ether allied genera of the family Pleurotmidæ.
Defn: A suborder of marine gastropod mollusks, in which the gills are between the foot and the mantle.
Defn: A genus of polished marine gastropod shells, chiefly tropical, and often beautifully colored.
Defn: Any aquatic pulmonate gastropod belonging to Planorbis, Limnæa, and allied genera; a pond snail.
Defn: Any marine gastropod shell of the genus Apporhais having an elongated siphon.
Defn: A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.
Defn: Any spiral marine gastropod belonging to Turritella and allied genera.
An extensive division of gastropod mollusks in which the odontophore is long and narrow, and usually bears seven rows of teeth.
A division of gastropod Mollusca, including the chitons.
The highest division, or subclass, of gastropod mollusks, including those that have the gills situated anteriorly, or forward of the heart, and the sexes separate.
Any spiral marine gastropod belonging toTurritella and allied genera.
A division of gastropod mollusks having a large number of long, divergent, hooklike, lingual teeth in each transverse row.
A genus of spiral gastropod shells, often of large size, characteristic of the lower Silurian rocks.
A genus of polished marine gastropod shells, chiefly tropical, and often beautifully colored.
Any small marine gastropod shell of the genus Littorina.
A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.
A suborder of marine gastropod mollusks, in which the gills are between the foot and the mantle.
Having no operculum; -- said of certain gastropod shells.
A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart.
A division of vermiform gastropod mollusks, without a shell, belonging to the Isopleura.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "gastropod" in a variety of sentences. We hope that you will now be able to make sentences using this word.
