A review of the currently recognised opecoelid cercariae, including the identification and emergence ecology of Cercaria capricornia XII (Digenea: Opecoelidae) from Nassarius olivaceus (Gastropoda: Nassariidae) in Central Queensland, Australia

Barnett, Leonie J., Miller, Terrence L. and Cribb, Thomas H. (2014) A review of the currently recognised opecoelid cercariae, including the identification and emergence ecology of Cercaria capricornia XII (Digenea: Opecoelidae) from Nassarius olivaceus (Gastropoda: Nassariidae) in Central Queensland, Australia. Parasitology International, 63 5: 670-682. doi:10.1016/j.parint.2014.04.007


Author Barnett, Leonie J.
Miller, Terrence L.
Cribb, Thomas H.
Title A review of the currently recognised opecoelid cercariae, including the identification and emergence ecology of Cercaria capricornia XII (Digenea: Opecoelidae) from Nassarius olivaceus (Gastropoda: Nassariidae) in Central Queensland, Australia
Journal name Parasitology International   Check publisher's open access policy
ISSN 1383-5769
1873-0329
Publication date 2014
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.parint.2014.04.007
Open Access Status DOI
Volume 63
Issue 5
Start page 670
End page 682
Total pages 13
Place of publication Amsterdam, The Netherlands
Publisher Elsevier BV
Collection year 2015
Language eng
Subject 2405 Parasitology
2725 Infectious Diseases
Abstract A new opecoelid cercaria, Cercaria capricornia XII, is reported from Nassarius olivaceus in Capricornia, Central Queensland, Australia. Combined molecular and morphological data indicate that this cercaria is a member of the subfamily Opecoelinae. Cercaria capricornia XII is the first known opecoeline cercaria reported from a nassariid gastropod. Cercaria capricornia XII can be distinguished from other opecoelid cercariae by the combination of the presence of a 2-pointed stylet, body length and width, and the size of the tail. The emergence pattern for C. capricornia XII in captivity was erratic; rapid emergences of thousands of cercariae were interspersed by periods that sometimes exceeded a month in which no emergence occurred. There was no detectable pattern to or stimulus of the emergence. The molluscan host range of opecoelids is analysed in detail. Gastropods from the Buccinoidea, Cerithioidea and Rissooidea are hosts to both opecoeline and plagioporine cercariae, but the dominant subfamily infecting the Cerithioidea and Rissooidea is the Plagioporinae. The dominant marine host gastropod superfamily for opecoeline cercariae is the Buccinoidea; the family Nassariidae is contained in the Buccinoidea. The range of gastropod superfamilies known as hosts of plagioporines is much broader than that for opecoelines, which may be explained by the relative size of the two opecoelid families and perhaps by indications that the Plagioporinae is polyphyletic.
Keyword Capricornia
Cercaria capricornia
Internal transcribed spacer 2
Nassarius olivaceus
Opecoelidae
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Biological Sciences Publications
 
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