Collections

Specimen, shell

Other name(s): 
Monophorus perversus
Triphora perversa
Reverse horn shell
Collection ID: 
Z555.1.85
Collection: 
Zoology
Class: Gastropoda. 5 specimens. Spire shaped with flat whorls and slightly convex sides. Yellowish brown and they have visible ridges in a cross hatch pattern. Usually found feeding on and partially embedded in sea sponges such as Hymeniacidon and Halichondria.

Field collection

CollectorRobert Rendall
PlaceBrough, Birsay

References

Reference literatureRendall, R. 'Mollusca Orcandensia' (1956) Proceedings of the Royal Society of Edinburgh 66, pp.131-201 (p.161)