DescriptionPilinaunguis.jpg English: Drawing of Pilinaunguis, synonym Tryblidium unguis. Head region is on the left. Date 1884 Source Lindström G. 1884
DescriptionPilinaunguis 3.jpg English: Drawing of detail of muscular scars on ventral view on the fragment of the shell of Pilinaunguis, synonym Tryblidium
DescriptionPilinaunguis 2.jpg English: Drawing of muscular scars on the ventral view on the fragment of the shell of Pilinaunguis, synonym Tryblidium unguis.