Bajalus Lendenfeld, 1885

Ereskovsky, Alexander V., Lavrov, Dennis V., Boury-Esnault, Nicole & Vacelet, Jean, 2011, Molecular and morphological description of a new species of Halisarca (Demospongiae: Halisarcida) from Mediterranean Sea and a redescription of the type species Halisarca dujardini, Zootaxa 2768, pp. 5-31 : 10

Bajalus Lendenfeld, 1885

Diagnosis. Halisarcida in which the choanocyte chambers are tubular, branched, and wide mouthed. Larvae are incubated dispherulae (a larval form found only in Halisarca ) with simple undifferentiated histology and cilia of uniform length. Skeleton is composed of fibrillar collagen only, there are no fibrous or mineral elements present; ectosomal and subectosomal collagen is highly organised and structurally diversified (modified from Bergquist & Cook 2002).

Type species: Halisarca dujardini Johnston, 1842: 192 .