BIPALIUM

CLASSIFICATION OF BIPALIUM

PHYLUM :- PLATYHELMINTHES (Organ grade, acoelomate flatworms. )

CLASS :- TURBELLARIA  (Epidermis is partly ciliated containing rhabdites.)

ORDER :- TRICLADIDA (Intestine (clad) has three branches. )

FAMILY :- BIPALIIDAE (Expanded lunate head with several eyes. )

GENUS :- Bipalium

GEOGRAPHICAL DISTRIBUTION

  • It has cosmopolitan distribution chiefly found in green houses and outdoor regions in Florida, Louisiana and California. It is also found in temperate and tropical countries.

HABIT AND HABITAT

  • Bipalium is a large terrestrial triclad inhabiting the humid soil on the floor of the tropical jungles

BIPALIUM

GENERAL CHARACTERSTICS OF BIPALIUM

  •  It is one of the largest land planarians measuring 20 to 50 cm in length. It was discovered in the green houses of the knew gardens in U.K. by Moseley (1878).
  • Animal consists of an expanded lunate head and cylindrical long body.
  • Numerous eyes are present on the margin of the head and sides of the body.
  • Purple, black, yellow, olive and grey coloured stripes are very distinct near the neck. 
  • Body remains twisted. 
  • This Planaria has stripes over the dorsal surface also and a creeping sole on the ventral surface. 
  • Reproduction generally asexual. It never becomes sexual in temperate climate and it propagates by fragmentation.
  • Bipalium adventium breeds sexually. 
  • If subjected to desiccation, it recovers water loss, provided the loss does not exceed, 45% of its weight.
BIPALIUM

IDENTIFICATION

  • The specimen contains a semi-circular head and all above features, hence it is Bipalium.

BIPALIUM
BIPALIUM
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