Subfamily Euretinae Zittel, 1877

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Diagnosis

Tubular Euretidae that grow through dichotomous subdivision of basal tube to distal tubes of approximately equal diameter and form.

ID Keys

(1) Body a stemmed cup or funnel with wall composed of branching tubes ..................... 2
Body form as non-circular array of branching tubes ........................................................ 3
(2) Body funnel-form; lateral oscula arrayed on horizontal ridges .................................... Lefroyella
Body cup-shape on stem, lateral oscula on individual tubular projections ....................... Calyptorete
(3) Oxyhexasters as only microscleres ............................................................................ Eurete
Discohexasters, with or without oxyhexasters as microscleres .......................................... 4
(4) Dermalia as pinular hexactins ...................................................................................... 5
Dermalia as pentactins or lacking ..................................................................................... 6
(5) Atrialia as pentactins and/or pinular hexactins ............................................................ Conorete
Atrialia as diactins ............................................................................................................. Pityrete
(6) Atrialia as hexacts: dermalia absent ............................................................................ Endorete
Atrialia as pentactins or absent ......................................................................................... 7
(7) Atrialia as pentactins .................................................................................................... Pararete
Atrialia absent ................................................................................................................... 8
(8) Uncinates and scopules present; framework uniform throughout ............................... Gymnorete
Uncinates and scopules absent; framework in 2 distinct phases ...................................... Heterorete

Diagnosis References

Reiswig, H. & Wheeler, B. 2002. Family Euretidae Zittel, 1877. pp. 1301-1331 in Hooper, J.N.A. & Soest, R.W.M. Van (eds). Systema Porifera. A guide to the classification of sponges. New York : Kluwer Academic/Plenum Publishers Vol. 2. [1303]

History of changes