3) outside D. anus on left, D. subrosea on right (finer rings, smoother surface)
4) inside D. subrosea on left, D. anus on right
may have seen D.subrosea once before here
D. anus common here. Specimen in 3) and 4) was picked up within 2m of the D. subrosea
Recorded on Banks Peninsula:-
"The third community inhabited shallower depths at Little Akaloa and deeper sediments at Otanerito (O4) and Te Oka (T3-4). Cluster 5 taxa, notably the burrowing bivalves Dosinia subrosea, Mactra ordinaria, Nucula nitidula, characterised this community, "
http://ecan.govt.nz/publications/Reports/marine-benthic-infauna-three-bays-banks-peninsula.pdf
