"Archaeopteryx" is a word in ENGLISH

A gigantic bird found fossil in Madagascar.

A small cavity in a coral, shell, or fossil

A yellowish translucent resin resembling copal, found as a fossil in alluvial soils, with beds of lignite, or on the …

A fossil resin occurring in large masses in New Zealand.

A fossil cephalopod shell related to the nautilus. There are many genera and species, and all are extinct, the typical …

Containing fossil ammonites.

An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.

To subject to analysis; to resolve (anything complex) into its elements; to separate into the constituent parts, for the purpose …

An earlier type; a progenitor; as, this fossil animal is regarded as the ancestor of the horse.

A fossil plant, like a petrified flower.

The appearance or figure of a tree or plant, as in minerals or fossils; a dendrite.

A genus of fishes, some of which were eighteen or twenty feet long, found in a fossil state in the …

A fossil plant from the coal formations of Europe and America, now regarded as the branchlets and foliage of calamites.

A radiated stone or fossil; star-stone.

A cephalopod of the extinct genus Baculites, found fossil in the Cretaceous rocks. It is like an uncoiled ammonite.

A fossil balanoid shell.

A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, …

A genus of fossil univalve shells, believed to belong to the Heteropoda, peculiar to the Paleozoic age.

One of the divisions of Crinoidea found fossil in paleozoic rocks; pentremites. They are so named on account of their …

An old name for a fossil consisting of the petrified teeth and palatal bones of fishes belonging to the family …