Description of Parvicorbicula
provided by BioPedia
Cells solitary or colonial, lorica usually funnel-shaped with protoplast attached to base of chamber; anterior end of chamber commonly terminated by a transverse costa; anterior tips of longitudinal costae usually join the transverse costa, forming T-joins; 4-10 longitudinal costae; 2 transverse costae; division tectiform; marine and brackish habitats; worldwide; considerable overlap with Pleurasiga Schiller
