operculate

Teller's operculum; revising a rare operculate gastropod from the Silurian of Wisconsin (Laurentia).

We use the general term pore, to refer to the germination perforation which may, or may not, be operculate.

A new genus of operculate land snails from Hispaniola with comments on the status of family Annulariidae.

An oval thin shelled, non operculate egg possessing terminal spine and miracidium (Fig.

A preliminary study of the operculate cup-fungi of Costa Rica.

New species of operculate discomycetes (Ascomycota, Pezizomycete) for Israeli mycobiota.

The eggs are operculate, small, and ovoid (Figure 1) (Table 2).

Centrocestus formosanus, an Asian gill trematode dependent on an operculate snail, red-rim melania snail (Melanoides tuberculatus), as an intermediate host, is thought to have been introduced into North America at least as early as the 1970s (Roessler et al., 1977; Blazer and Gratzek, 1985).

Except for the two operculate Ampullariidae (Pulmonata) Lanistes varicus (Muller) and Lanistes ovum Peter, the larvae attacked all other freshwater snails species collected at the respective sites for maintenance of our laboratory cultures.

Beauv Palynomorph: Areolate with medium scabrae-type, Spheroidal, Annulate, operculate, annulate, annulus reduced, annulus 3(mu)m in diameter, 0.85(mu)m thick, size of pollen is 2.5(mu)m often slightly thicker pores.