ਗ੍ਰੈਪਟੋਲਿਥਿਨਾ ਦੀ ਅਲੋਪ ਹੋ ਚੁੱਕੀ ਸ਼੍ਰੇਣੀ ਦਾ ਕੋਈ ਵੀ ਬਸਤੀਵਾਦੀ ਜਾਨਵਰ, ਜੋ ਕਿ ਔਰਡੋਵਿਸ਼ੀਅਨ ਅਤੇ ਸਿਲੂਰੀਅਨ ਯੁੱਗਾਂ ਵਿੱਚ ਸਭ ਤੋਂ ਆਮ ਹੈ, pterobranchs ਨਾਲ ਸਬੰਧਤ ਮੰਨਿਆ ਗਿਆ ਹੈ, ,

graptolites's Usage Examples:

subclass of the class Pterobranchia, the members of which are known as graptolites.

similarity to the graptolites - indeed for some time it was misclassified as a dendroid graptolite.

It likely dates to the Darriwilian based on graptolites.

where he studied dendroid graptolites under Gertrude Lilian Elles.

sponges, graptolites, starfish, a chelicerate (Offacolus), a stem-group mandibulate (Aquilonifer) and a vermiform mollusc (Acaenoplax).

Cyclograptidae is an extinct family of graptolites.

covered by a sea inhabited by a menagerie of invertebrates which included graptolites.

It had a major effect on the conodont fauna, but barely scathed the graptolites.

Diplograptus was a Cambrian genus of graptolites.

Most of the dendritic or bushy/fan-shaped organisms are classified as dendroid graptolites (order Dendroidea).

Poorly preserved graptolites occur occasionally in the shaly beds.

that would later be home to creatures like brachiopods, cephalopods, graptolites, and trilobites.

Dictyonema is a genus of dendroid graptolites in the order Dendroidea.