ENCENTRUM ESSEXIS SP. N. (MONOGONONTA: DICRANOPHORIDAE), A NEW ROTIFER INHABITING STREAM BENTHOS FROM EAST ENGLAND

De Smet, Willem H. and Schmid-Araya, Jenny M. (2014) ENCENTRUM ESSEXIS SP. N. (MONOGONONTA: DICRANOPHORIDAE), A NEW ROTIFER INHABITING STREAM BENTHOS FROM EAST ENGLAND. ACTA ZOOLOGICA HUNGARICA, 60 (3). pp. 199-206. ISSN 0236-7130

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Abstract

A new species of Rotifera belonging to the genus Encentrum (Monogononta, Dicranophoridae) is described from benthos of the Blackwater River, East Anglia, Essex, England, UK. Encentrum essexis sp. n. is characterised by the in dorsal view more or less conical toes having three elongate drop-shaped, light-refracting bodies leading to the tip of the toe. Trophi of Isoencentrum-type; outline of rami hexagonal; intramallei extended towards trophi axis into long spiniform process; inner margin of basal rami chambers with short tooth.

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