Species

Diorygma atrypophilia Biernat, 1961

Taxon description

Biernat, 1961

Diagnosis.-A boring in the pedicle valve of Atrypa zonata Schnur (pl. III, fig. 1a,b) consisting of minut, smoth , nearl y V-shaped tube. widening slightly anteriorly, burrowed through all the shell substance and all the length of a prominent internal ridge, placed on the lateral sides of the pedicle muscle area. The tubes are opened to the interior of the brachiopod shell by two apertures lying on the anterior, free extremity of the ridge.

Synonymy list
1961     Diorygma atrypophilia — Biernat , pp. 20, fig. pl. I-IV; text-fig . 1-
Classification
Organism groupBiota
Ichnofossil groupIchnofossils
Bioerosional trace fossils
GenusDiorygma
Speciesatrypophilia