বিলুপ্ত মলাস্কা কুণ্ডলিত chambered জীবাশ্ম শেল এক

ammonoid's Usage Examples:

of two suborders included in the order Goniatitida; extinct Paleozoic ammonoid cephalopods only distantly related to the Nautiloidea.

Ammonitida is an order of more highly evolved ammonoid cephalopods that lived from the Jurassic through Cretaceous time periods, commonly with intricate.

Goniatids, informally goniatites, are ammonoid cephalopods that form the order Goniatitida, derived from the more primitive Agoniatitida during the Middle.

agoniatitid ammonoids would die out in the Taghanic event in the upper middle Givetian.

Goniatite ammonoids would give rise to further ammonoid orders, thus.

Clymeniida is an order of ammonoid cephalopods from the Upper Devonian characterized by having an unusual dorsal siphuncle.

Ceratitida is an order that contains almost all ammonoid cephalopod genera from the Triassic as well as ancestral forms from the Upper Permian, the exception.

enclosed between two adjacent septa in the phragmocone of a nautiloid or ammonoid cephalopod molluscus.

Sirenites is a genus of ammonoid cephalopods from the Upper Triassic included in the Ceratitida, and type for the trachyceratid subfamily Sirenitinae.

In the seas, a novel major group of ammonoid cephalopods called clymeniids appeared, underwent tremendous diversification.

Acanthoceratoidea, formerly Acanthocerataceae, is a superfamily of Upper Cretaceous ammonoid cephalopods belonging to the order Ammonitida, and comprising some 10 or.

Turrilites is a genus of helically coiled ammonoid cephalopods from the lower part of the Upper Cretaceous (Cenomanian and Turonian); generally included.

Other animals, such as the ammonoids, insects, and the tetrapods (cynodonts, amphibians, reptiles, etc.

Xenodiscus is an extinct ammonoid cephalopod genus and one of the earliest ceratites, found in the Upper Permian of northern India and Timor.

The Phyllocertina comprise a suborder of ammonoid cephalopods, belonging to the Ammonitida, whose range extends from the Lower Triassic to the Upper Cretaceous.

baccus A genus of extinct ammonoid cephalopods belonging to the ceratitid family.

pinguis A genus of extinct ammonoid cephalopods belonging to the.

They are an extinct group of ammonoid, which are shelled cephalopods related to squids, belemnites, octopodes.

Gymnites is a genus of ammonoid cephalopod from the Middle Triassic belonging to the ceratitid family Gymnitidae.

ammonoid's Meaning':

one of the coiled chambered fossil shells of extinct mollusks