New Zealand Journal of Marine and Freshwater Research abstracts
Three new species of Neomenia (Mollusca: Solenogastres) from the
Southern Hemisphere
Luitfried V. Salvini-Plawen
Irene Paar-Gausch
Institut für Zoologie
Universität Wien
Althanstrasze 14
A-1090 Wien, Austria
email: Luitfried.Salvini-Plawen@univie.ac.at
Abstract Archaeomenia prisca Thiele is re-examined
and three Neomenia species new to science (class Solenogastres, order
Neomeniamorpha) are described and defined. One species, N. naevata
spec. nov., comes from New Zealand waters and two species, N. megatrapezata
spec. nov. and N. trivialis spec. nov., are recorded from one
sample close to the South Shetland Islands. N. naevata possesses a
subvaginal, thin-walled epithelial gland as do several other Neomenia
species. N. megatrapezata as well as N. trivialis exhibit sac-like
elongations of the terminal midgut surrounding the copulatory stylet sheaths,
similar to those of A. prisca. The biogeographic implications are
considered.
Keywords Mollusca; Solenogastres; Neomeniidae; biodiversity;
systematics
M03008; Online publication date 15 March 2004; Received 5 February 2003;
accepted 20 August 2003
New Zealand Journal of Marine and Freshwater Research, 2004, Vol. 38:
137-162
0028-8330/04/3804-0137 © The Royal Society of New Zealand 2004
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