Image of Placospongiidae Gray 1867

Description:

Figure 4.Placospongia carinata slide of holotype (BMNH, R1228, 86g, Bk.1390; R1275, PE01, Bk1390). A large tylostyle (scale=200 μ m) B small tylostyle (scale=50 μ m) C selenaster (scale=50 μ m) D close up of large tylostyle (scale=50 μ m) E close up of small tylostyle F streptasters (scale=50 μ m) G acanthose microrhabds H original slide of thick section of holotype I original slide of spicules of holotype.