You are here: Home / Library / RBINS Staff Publications / On Pulchritia new genus, with a reappraisal of the genera of Trichotriidae (Rotifera, Monogononta).

Yongting Luo and Hendrik Segers (2013)

On Pulchritia new genus, with a reappraisal of the genera of Trichotriidae (Rotifera, Monogononta).

ZooKeys, 12(342):1-12.

During the study of rotifers collected in Eastern DR Congo, we rediscovered specimens that correspond to Monostyla dorsicornuta Van Oye, 1926. This species, which we redescribe, had not been seen since it's summary description, and lacked type material. Our analysis reveals that the animal belongs to Trichotriidae rather than to Lecane (presently considered to include Monostyla) or Lecanidae, but is nevertheless characterised by a foot structure that is remarkably convergent to that of Lecanidae, and different from all other genera of Trichotriidae. We conclude that the species and the closely related South American Macrochaetus kostei (Jos\'e de Paggi, Branco & Kozlowsky-Suzuki, 2000) belong to a new genus of Trichotriidae; the two offer a rare example of African-South American vicariance in rotifers.We further provide emended diagnoses of the remaining genera of Trichotriidae, to conform these to the new information and to address some inconsistencies in these.

Peer Review, International Redaction Board, Impact Factor, Open Access
biogeography, taxonomy, africa-south america vicariance, macrochaetus
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