Mennerius
Mennerius is a genus of haptophytes belonging to the family Lapideacassaceae.
Diagnosis
The genus accommodates ‘bell-shaped’ to cylindrical nannoliths with their body consisting of one or more tiers of vertically elongated calcite plates and a rounded or somewhat pointed apical cone. One or more apical spines are often also present. The cross section of the body is round to polygonal.Species
- M. asymmetricus
- M. bispinosus
- M. blackii
- M. cornutus
- M. glans
- M. longus Luljeva, 1967
- M. magnificus
- M. mariae
- M. morosus Luljeva, 1967
- M. tricornus
- M. trispinus
- M. varius
- ''M. wisei''
Distribution