Leucolosenia

Classification :
Phylum- Porifera -Pore bearing animals,diploblastic with cavity
spongocoel
Class- Calcarea -Spicules calcareous, canal system –
asconoid/syconoid/leuconoid types
Order- Homocoela- canal system of asconoid type
Genus- Leucolosenia
Habitat- Marine, inhabit shallow water
Habit- Colonial,sessile
Characters-
1. Colony has anastomosing vase shaped cylindrical tubes. Tubes are
attached horizontally at the base which in turn is attached to some rocks.
2. Osculum is present at the free distal end of each tube.
3. Simplest type of canal system-asconoid.Course of water current is
ostia—spongocoel—osculum.
4. Skeleton of monoaxon or triaxon calcareous spicules.
5. Choanocytes line the spongocoel.
6. Asexual reproduction is by budding and sexual reproduction is by
production of sperms and ova.
7. High power of regeneration is present.