Common along the coast.
Pl. [9], Figs. 1 and 2.
LICMOPHORA OVULUM MER.
Valve ovate, attenuated to the rounded inferior apex; pseudoraphe indistinct, striæ fine, 24 in 10 µ. Zone view broad, cuneate, angles rounded, inferior apex broad; frustule robust, septa superficial, straight. (Mereschkowsky, in part.)
Atlantic City. Common.
Pl. [9], Figs. 8 and 9.
LICMOPHORA PARADOXA (LYNG.) AG.
Frustule broad, with rounded angles; septa curved; valve ovate, inferior apex produced. Pseudoraphe distinct; striæ varying from 25 below to 30 above in 10 µ.
Echinella paradoxa Lyng.
Rhipidophora paradoxa Kuetz.