Macandrewia
Macandrewia is a genus of sea sponges, and is the only genus in the monotypic family Macandrewiidae.
Description
Species are cup-shaped, expanded, more or less sinuate or lobed. They are attached to the substrate by a more solid base. They are covered by a fleshy layer. It is supported by a siliceous cup-shaped axis. The upper surface is covered in of pores, which are grouped into roses which are surrounded by radiating grooves. The lower surface is non-porous.
Species
The following species are recognised:Macandrewia auris Lendenfeld, 1907Macandrewia azorica Gray, 1859Macandrewia clavatella Macandrewia minima Carvalho & Xavier, 2020Macandrewia ramosa Topsent, 1904Macandrewia rigida Lévi & Lévi, 1989Macandrewia robusta Topsent, 1904Macandrewia schusterae Carvalho & Xavier, 2020Macandrewia spinifoliata Lévi & Lévi, 1983