Rieger, Reinhard M. (1980). A new group of interstitial worms, Lobatocerebridae nov. fam. (Annelida) and its significance for metazoan phylogeny. Zoomorphologie. 95(1), 41-84.

53067

10.1007/bf01342233 [view]

Rieger, Reinhard M.

1980

95(1), 41-84

Publication

World Polychaeta Database (WPolyDb)

This is the first paper of a series dealing with the new interstitial, monotypic family Lobatocerebridae. The single genus Lobatocerebrum is described as a turbellariomorph taxon in the annelid line of evolution. The male genital system, the protonephridial system, the body wall and the anus-hindgut system reveal the most important characteristics for the determination of its phylogenetic position. Although presently the group can not be clearly aligned with any of the classes within the Annelida, the new family is provisionally included into the Oligochaeta, until further, yet undescribed species of this group will reveal better the within-group characterconsistency. Because of the high degree of superficial similarities to the Turbellaria (acoelomate body cavity, complete ciliation, lack of signs of segmentation, special features of the foregut, arrangement of reproductive organs) this paper argues that the Lobatocerebridae may become an important example for trying to understand the origin and evolution of acoelomate flatworms from coelomate ancestors

Annelida

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