Moretto, H J. A. (1997-1998). A new heteronemertean from the Argentine coast of the Southern Atlantic. Hydrobiologia, 365: 215-222

339092

Moretto, H J. A.

1997-1998

365: 215-222

Publication

http://link.springer.com/article/10.1023/A:1003133216280

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A new heteronemertean is described, Gastropion sanmatiensis n. gen. et n. sp. from Caleta de Los Loros, San Matias Gulf, Argentine Republic (41degree S; 64degree 05' W). G. sanmatiensis is mainly defined by: (1) the structure of its proboscis sheath;- (2) enteronephridia and exonephridia situated in the anterior part of the oesophagus; (3) a sphincter between the oesophagus and the intestine; (4) an intestinal sphincter. This lineid heteronemertean seems to be very well adapted to oesophageal respiration and excretion.

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