veliger

[ vee-li-jer ]

/ ˈvi lɪ dʒər /

a larval stage of certain mollusks, intermediate between the trochophore and the adult form.

Origin of veliger

From New Latin, dating back to 1875–80; see origin at velum, -i-, -gerous

Except in Oncidium, there is no longer a veliger stage in development.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 |Various
It is purely a larval organ, disappearing before the close of the veliger stage.

The Works of Francis Maitland Balfour, Volume III (of 4) |Francis Maitland Balfour
E, The trochosphere passing to the veliger stage, dorsal view showing the formation of the primitive shell-sac.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 |Various
Trochosphere and veliger stages of development are consequently not recognizable.

Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 |Various

There is a veliger stage in development, but the velum is reduced.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 |Various

veliger

/ (ˈvɛlɪdʒə) /

the free-swimming larva of many molluscs, having a rudimentary shell and a ciliated velum used for feeding and locomotion

C19: from New Latin, from velum + -ger ( ous)