''Coenaculum tertium'' is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of sea snail, a

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod mollusc in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Cimidae The Cimidae is a taxonomic family of sea snails, marine gastropod mollusks in the infraclass Lower Heterobranchia Lower Heterobranchia, also known as the Allogastropoda, is a group of rather specialized, highly evolved sea slug Sea s ...

. The species is one of four known species to exist within the genus, ''

Coenaculum Coenaculum, the term applied to the eating-room of a Roman house in which the supper (''coena'') or latest meal was taken. It was sometimes placed in an upper storey and reached by an external staircase. The Last Supper in the New Testament was t ...

'', the other species are '' Coenaculum minutulum'', '' Coenaculum secundum'' and '' Coenaculum weerdtae''.

References

* Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). ''Checklist of New Zealand living Mollusca''. pp 196–219 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch. {{Taxonbar, from=Q3176252 Cimidae Gastropods of New Zealand Gastropods described in 1952