Placospongiidae Gray 1867

Figure 3.Placospongia anthosigma holotype (NSMT-Po R288) A type specimen (image taken from website database of the Museum of Nature and Science, Tokyo, Japan) B selenaster C large tylostyle (head and blunt end) D spheraster E spirasters referred to as ‘anthosigma’ by Tanita & Hoshino (1989).

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.

Figure 5.Placospongia carinata (RMNH POR. 4483). A selenaster B large tylostyle (head and blunt end) C small tylostyle (head and hastate end) D streptasters, E. acanthose microrhabds.

Figure 6.Placospongia melobesioides holotype (BMNH 52.4.1.14). A Holotype with two labels B selenaster C large tylostyle (head and blunt end) D small tylostyle (head and hastate end) E spheraster F spherules.

Figure 7.Placospongia mixta holotype (ZMB 3204). A selenaster B large tylostyle (head and blunt end) C small tylostyle (head and hastate end) D spheraster E streptasters F microacanthose microrhabds.

Figure 8.Placospongia santodomingoae sp. n. (RMNH POR. 4486). A ethanol preserved specimen B selenaster C large tylostyle (head and blunt end) D small tylostyle (head and hastate end) E microrhabds.

USNM_22233_009.tif; spicule images from prepared slide

USNM 22201 slide1 029.tif; spicule images from prepared slide

USNM 22201 slide1 022.tif; spicule images from prepared slide

USNM_22233_slide1_25.tif; spicule images from prepared slide

USNM 22201 slide1 034.tif; spicule images from prepared slide

USNM 22201 slide1 033.tif; spicule images from prepared slide

USNM_22233_slide1_06.tif; spicule images from prepared slide

USNM_22233_slide1_24.tif; spicule images from prepared slide

USNM 22201 slide1 016.tif; spicule images from prepared slide

USNM 22201 slide1 019.tif; spicule images from prepared slide

USNM 22201 slide1 006.tif; spicule images from prepared slide

USNM_22233_slide1_17.tif; spicule images from prepared slide

USNM_22233_slide1_14.tif; spicule images from prepared slide

USNM_22233_004.tif; spicule images from prepared slide