Some ascaridoid nematodes of fishes: Paranisakis and Mawsonascaris n. g.

Sprent J.F.A. (1990) Some ascaridoid nematodes of fishes: Paranisakis and Mawsonascaris n. g.. Systematic Parasitology, 15 1: 41-63. doi:10.1007/BF00009917


Author Sprent J.F.A.
Title Some ascaridoid nematodes of fishes: Paranisakis and Mawsonascaris n. g.
Journal name Systematic Parasitology   Check publisher's open access policy
ISSN 0165-5752
Publication date 1990
Sub-type Article (original research)
DOI 10.1007/BF00009917
Volume 15
Issue 1
Start page 41
End page 63
Total pages 23
Publisher Kluwer Academic Publishers
Subject 2405 Parasitology
1100 Agricultural and Biological Sciences
Abstract As a result of examination of type-material and other specimens representing species previously assigned to Paranisakis Baylis, 1923, it is proposed that this genus be reduced to one species, namely P. squatinae Baylis, 1923. The other species are distributed as follows: pastinacae Rudolphi, 1819, australis Johnston & Mawson, 1943 and laymani Mozgovoy, 1950 are assigned to a new genus Mawsonascaris. The main features differentiating Mawsonascaris from Paranisakis are: dentigerous ridges on the lips (absent in Paranisakis), digitiform extensions of the labial pulp (absent in Paranisakis), excretory pore posterior to the nerve-ring (anterior to the nerve-ring in Paranisakis) and long filiform spicules (short and stout in Paranisakis). The following new host records are reported: Rhinobatos cemiculus for P. squatinae; and Aptychotrema banksii, Rhinobatos batillum, Rhynchobatus dijddensis and Taeniura lymma for M. australis. Specimens were not available from teleosts. It is considered that the proposal of Yamaguti (1961) to raise the subgenus Ortoanisakis Mozgovoy, 1951 to full generic status be upheld provisionally, Ortoanisakis containing species from teleosts, formerly in Paranisakis, but described as having no dentigerous ridges and no gubernaculum. These include O. lophii (Yamaguti, 1935), O. halieutaeae (Yamaguti 1941), O. muraenesocis (Yamaguti, 1935), O. lophii hoplobrotulae (Yamaguti, 1941) and O. sciaenae Khan & Begum, 1971. The remaining species formerly in Paranisakis are relegated to the status of species inquirendae.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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