Juvenarium

Quick meaning: Juvenarium is a noun meaning A shell or portion thereof of a foraminifer in the youngest stage of shell-building.

Meaning

A shell or portion thereof of a foraminifer in the youngest stage of shell-building.

Example Sentences

The earlier figure may be considered to represent this form, for the latter figure is an atypical specimen with multiple juvenaria.

Later on, the above three genera evolved until various levels of the Eocene in America with unchanged equatorial chamber build-up, but with the microspheric juvenariums becoming more and more simple.

Test large, subspherical, biumbilicate, inflated, early whorls closely coiled, forming a fusiform juvenarium, later whorls rapidly enlarging in height but coiling axis enlarging more slowly so that adult test becomes globular and strongly umbilicate, final whorl of reduced height as in Pseudoschwagerinal wall of tectum and keriotheca, chomata prominent in the fusiform juvenarium, very faint in later wholrls.

Word Forms

• juvenaria
• juvenariums

Related Words

Related dictionary entries include ammonitella, nucleoconch, protoconch, foraminiferan, megalosphere, foraminule.

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