Sentence Examples with the word balanidae

Therein an order Thoracica comprehends the pedunculate Lepadidae, together with the operculate and sessile Balanidae and Verrucidae; a single species without cirrhi constitutes the order Apoda, and a single species with only three pairs of cirrhi the order Abdominalia.

Aurivillius considered that Pollicipes signatus showed a closer approach to the Balanidae than any other of the Lepadidae, but he, too, in ignorance of the Devonian Protobalanus (Whitf.), discoursed needlessly about the gap in the distribution.