Two new freshwater rhabdocoels, Austrodalyellia gen. nov. and Haplodidymos gen. nov. (Platyhelminthes), from Queensland, Australia
Author
Hochberg, Rick
Author
Cannon, Lester R. G.
text
Zootaxa
2002
44
1
15
journal article
51452
10.5281/zenodo.156078
8f14b97c-8bc9-4df2-94b0-db4c93cd50e3
11755326
156078
Genus
Austrodalyellia
gen. nov.
Type
Material.
Holotype
(QM G219246): wholemount in de Faure’s fluid.
Paratypes
: three wholemounts in de Faure’s fluid (QM G2192479) and five longitudinally sectioned specimens (QM G2182504).
Type
Repository.
Queensland Museum, South Brisbane, Queensland,
Australia
.
Type
Locality.
Clean Lake, University of Queensland,
St. Lucia
campus, Brisbane,
Australia
. Shoreline of lake among aquatic vegetation.
Etymology.
Name refers to the southern location of the new genus and its close relations to
Dalyellia
and
Microdalyellia
:
Austro
(L. southern) and
dalyellia
.
Diagnosis.
Dalyelliidae
with heavy pigmentation and features characteristic of the family. Male reproductive system located posterior to pharynx and consists of paired compact testes, short vasa deferentia, and copulatory organ. The copulatory organ is muscular and houses a proximal vesicula seminalis atop a glandular vesicula granulorum and a distal complex stylet. The stylet consists of five hollow tines including a dorsal Vshaped tine with short proximal handles, median paired lanceolateshaped tines, and ventral paired bladeshaped tines. The female system includes paired fingerlike vitellaria, a solitary ovary, separate receptaculum seminis, and bursa copulatrix.
Type
species.
Austrodalyellia ariena
sp. nov.
Etymology.
Species epithet refers to the structure of the copulatory stylet and its similarity to a peeled banana:
ariena
(L. banana).