It is interesting to note in these Bohemian deposits abundance of shells of a Pteropod Styliola which has been proved by Prof.
Pteropod foot, and the posterior folds the so-called horse-shoe shaped portion of the Pteropod foot.
In almost all Gasteropod and Pteropod larvae there is present a well-developed spindle muscle attaching the embryo to the shell.
Globigerina ooze, } Found in the abysmal {Pteropod ooze, } regions of the Abysmal deposits.
Besides these, however, the same ancient schists have yielded two genera of brachiopods, Orthis and Orbicula, a Pteropod of the genus Theca, and four echinoderms of the cystidean family.
Defn: A membranous, finlike, swimming organ, as in pteropodand heteropod mollusks.
Having the anterior lobes of the foot so modified as to form a pair of winglike swimming organs; -- said of the pteropod mollusks.
We also obtained a Pteropod resembling the Criseis aciculata, an Ianthina, and some hyaline am[oe]biform bodies, which were entirely beyond my powers of recognition.
A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.
They are for the most part pteropod and foraminiferous ooze-rocks and are extensively represented on the surface and slopes of the Nandua flat to the north of Ndavutu, where they occur at all elevations up to 500 feet above the sea.
The incrusting submarine deposits found in patches over these plains are generally calcareous clay-rocks containing tests of formaminifera and often also univalve, bivalve, and pteropod shells.
They are overlain by submarine clays containing pteropodshells and tests of foraminifera; and over these in their turn coarse palagonitic tuffs and agglomerate-tuffs are found in places.
On the south side in the vicinity of Ndevo the sea-border is composed of calcareous palagonitic clays and tuffs containingpteropod shells and large tests of foraminifera in abundance.
They inclose pteropod shells in places and show many minute foraminiferous tests of the pelagic type.
They are the usual foraminiferous clay-rocks or “soapstones,” and in places they contain pteropod shells.
The overlying foraminiferous and pteropod clay rocks, the so-called “soapstone,” are exposed over large areas of the surface.
They are crowded with pteropod shells, and contain also small gasteropod and lamellibranchiate shells together with tests of foraminifera both microscopic and macroscopic.
Its margins covered by pteropod and foraminiferous ooze-rocks, 86.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "pteropod" in a variety of sentences. We hope that you will now be able to make sentences using this word.
