Membranilarnax gigantea
From dinoflaj2
"gigantea" Tasch in Tasch et al., 1964, p.192, pl.2, fig.13. Holotype: Tasch et al., 1964, pl.2, fig.13. Originally Membranilarnax, subsequently Membranilarnacia?. Taxonomic senior synonym: Schizosporis reticulata Cookson and Dettmann, 1959, a zygnematacean zygospore species, according to Pierce (1976, p.27). Age: Albian.
Parent: Membranilarnax