Ecionemia is a genus of sea sponges belonging to the family Ancorinidae.
This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles.
Species The following species are recognised in the genus Ecionemia:
Ecionemia acervus Bowerbank, 1862 Ecionemia alata (Dendy, 1924) Ecionemia arabica (Lévi, 1958) Ecionemia australiensis (Carter, 1883) Ecionemia baculifera (Kirkpatrick, 1903) Ecionemia cinerea Thiele, 1900 Ecionemia demera (Laubenfels, 1934) Ecionemia densa Bowerbank, 1873 Ecionemia nigra Sollas, 1888 Ecionemia novaezealandiae (Dendy, 1924) Ecionemia obtusum Lendenfeld, 1907 Ecionemia spinastra Lévi, 1958 Ecionemia thielei Thomas, 1986 Ecionemia walkeri (Laubenfels, 1954)
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