New Zealand Journal of Marine and Freshwater Research abstracts
Two new species of Pseudostomella (Gastrotricha: Macrodasyida)
with scaled triancres from the east coast of Australia
Rick Hochberg
Queensland Museum
Worms Section
South Brisbane, Q4101
Australia
email: RickH@qm.qld.gov.au
Abstract Two new species of Pseudostomella
from North Stradbroke Island, Australia, P. klauserae n. sp. and P.
megapalpator n. sp., are characterised by scaled triancres, cuticular
structures that until now were known only from one other member of the genus.
The structure of the scaled triancres in both species is new: the triancre
base is diamond- or triangular-shaped with three shafts that arise to form
feather-like scales. P. klauserae n. sp. is characterised by scales
arising from a diamond-shaped triancre base, the distribution of cephalic
papillae, and the abundance and distribution of anterior and lateral adhesive
tubes. P. megapalpator n. sp. is distinguished by scales arising from
a rounded-triangular triancre base, large dorsal, digitiform papillae, and
ventral adhesive tubes. The presence of two new species with scaled triancres
allows for the formation of a novel species complex within the genus. An
amended key to the species is included.
Keywords Gastrotricha; Macrodasyida; Pseudostomella
klauserae; Pseudostomella megapalpator; new species; meiofauna;
Australia; North Stradbroke Island
M01056 Received 4 July 2001; accepted 22 January 2002; published 17 September 2002
New Zealand Journal of Marine and Freshwater Research, 2002, Vol. 36:
571-579
0028-8330/02/3603-0571 $7.00 © The Royal Society of New Zealand
2002
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