NDLI: A new species of Haplosporidium Caullery & Mesnil, 1899 in the marine false limpet Siphonaria lessonii (Gastropoda: Siphonariidae) from Patagonia

Content Provider	Springer Nature Link
Author	Ituarte, Cristián Bagnato, Estefanía Siddall, Mark Cremonte, Florencia
Copyright Year	2014
Abstract	A new species of Haplosporidium Caullery & Mesnil, 1899 parasitising the pulmonate gastropod Siphonaria lessonii Blainville in Patagonia, Argentina, is described based on morphological (scanning and transmission electron microscopy) and sequence (small subunit ribosomal RNA gene) data. Different stages of sporulation were observed as infections disseminated in the digestive gland. Haplosporidium patagon n. sp. is characterised by oval or slightly subquadrate spores with an operculum that is ornamented with numerous short digitiform projections of regular height, perpendicular to and covering its outer surface. The operculum diameter is slightly larger than the apical diameter of the spore. Neither the immature nor mature spores showed any kind of projections of the exosporoplasm or of the spore wall. Regarding phylogenetic affinities, the new species was recovered as sister to an undescribed species of Haplosporidium Caullery & Mesnil, 1899 from the polychaete family Syllidae Grube from Japanese waters. The morphological characters (ornamentation of the operculum, spore wall structure, shape and size of spores, and the lack of spore wall projections) corroborate it as an as yet undescribed species of Haplosporidium and the first for the phylum in marine gastropods of South America. Siphonaria lessonii is the only known host to date.
Starting Page	63
Ending Page	73
Page Count	11
File Format	PDF
ISSN	01655752
Journal	Systematic Parasitology
Volume Number	88
Issue Number	1
e-ISSN	15735192
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-04-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Zoology Animal Systematics/Taxonomy/Biogeography Animal Anatomy Morphology Histology Agriculture Animal Ecology Life Sciences
Content Type	Text
Resource Type	Article
Subject	Parasitology

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