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New alluroidids (Annelida, Clitellata) from Guyana

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Abstract

A new genus and two new species of Alluroididae are described from Guyana and additional data are provided for two previously known species. Brinkhurstia donaldin. sp. is characterized by very long ribbon-like penial chaetae and an unpaired spermatheca with a sperm-filled diverticulum and opening mid-dorsally at 7/8. Righiella n. gen. is metandric and without penial chaetae; R. jamiesoni n. sp. has a large, unpaired spermatheca (devoid of diverticula) which also opens mid-dorsally at 7/8. Brinkhurstia donaldi and Righiella jamiesoni were found in running waters in creeks, whereas Brinkhurstia americana (Brinkhurst, 1964) and Kathrynella guyanae Omodeo, 1996 were collected in anoxic mud in a pool.

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Authors and Affiliations

  1. Dipartimento di Biologia Evolutiva, Via P. A. Mattioli 4, I-53100, Siena, Italy

    Pietro Omodeo

  2. Bermuda Biological Station for Research Inc., 17 Biological Lane, St, Georges, GE 01, Bermuda

    Kathryn A. Coates

Authors
  1. Pietro Omodeo
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  2. Kathryn A. Coates
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Omodeo, P., Coates, K.A. New alluroidids (Annelida, Clitellata) from Guyana. Hydrobiologia 463, 39–47 (2001). https://doi.org/10.1023/A:1013178902798

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  • DOI: https://doi.org/10.1023/A:1013178902798

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