CLASSIFICATION OF POTERION​

PHYLUM :- PORIFERA (Pore bearing, cellular grade, asymmetrical or radially symmetrical.)

CLASS :- DEMOSPONGIAE (Skeleton of spongin fibres or siliceous spicules which are not six-rayed.)

ORDER :- Monaxonida (Spongin mayor may not be present; spicules monaxon.) 

GENUS :- Poterion

GEOGRAPHICAL DISTRIBUTION

  • It is found in the Gulf of Mexico and off coast of North Carolina.

HABIT AND HABITAT

  • Poterion is a solitary, marine and boring sponge.

POTERION diagram, POTERION structure

GENERAL CHARACTERSTICS OF POTERION​

  • Commonly called as Neptune’s goblet.
  • It is supposed to be one of the largest sponges, which may attain a diameter or height of 1 to 2 meters.
  • Body becomes free, large, vase-shaped, with incurrent apertures on the outer surface and excurrent on the inner surface. 
  • Skeleton comprises tylostyles. 
  • There is a large osculum at anterior end. 
  • Posterior end has root-like processes in the form of slender stalk attached to substratum.
POTERION

IDENTIFICATION

  • The animal has large osculum, large cup-shaped body with a small stalk and all above feature, hence it is Poterion.

POTERION
POTERION
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