tubocanaliculate

Adjective

 * 1)  Having large-diameter pores with funnel-shaped openings on both inner and outer surfaces of the shell. These eggs would have a high gas exchange rate, and therefore were probably buried in humid mounds.

Coordinate terms

 * angusticanaliculate
 * multicanaliculate
 * obliquicanaliculate
 * prolatocanaliculate
 * rimocanaliculate