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A new cercaria and metacercaria of Acanthoparyphium (Echinostomatidae) found in an intertidal snail Zeacumantus subcarinatus (Batillaridae) from New Zealand.
Parasitol Int. 2006 Sep; 55(3):163-7.PI

Abstract

A new 23-collar-spined cercaria and metacercaria are described from intertidal molluscs of the coast of New Zealand. The new cercaria found emerging from the mud snails Zeacumantus subcarinatus (Sowerby) (Prosobranchia: Batillariidae) is characterized mainly by the number and arrangement of the cephalic glands, the size of the suckers, and the size and number of the collar spines. The cercaria encysts in the cockle Austrovenus stutchburyi (Wood) (Bivalvia: Veneridae) which lives in sympatry with the first intermediate host throughout New Zealand. Laboratory infections of cockles by cercariae from naturally infected snails resulted in metacercariae identical to those found in naturally infected cockles. The main features of the cercaria and metacercaria are the presence of a reniform collar with 23 spines, two pairs of small cephalic glands at the oral sucker level, another two pairs of much longer ones posterior to the pharynx, and the excretory vesicle Y-shaped with the main collecting canals extending to the anterior level of the ventral sucker. Each of the main collecting canals had 10-11 pairs of bilateral diverticula between the anterior edge of the ventral sucker and anterior body end. A brief discussion of its possible life cycle and ecology is also provided.

Authors+Show Affiliations

Centro de Estudios Parasitólogicos y Vectores (CEPAVE) 2 Nro. 584, 1900 La Plata, Buenos Aires, Argentina. sergio@cepave.edu.arNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16584913

Citation

Martorelli, Sergio R., et al. "A New Cercaria and Metacercaria of Acanthoparyphium (Echinostomatidae) Found in an Intertidal Snail Zeacumantus Subcarinatus (Batillaridae) From New Zealand." Parasitology International, vol. 55, no. 3, 2006, pp. 163-7.
Martorelli SR, Poulin R, Mouritsen KN. A new cercaria and metacercaria of Acanthoparyphium (Echinostomatidae) found in an intertidal snail Zeacumantus subcarinatus (Batillaridae) from New Zealand. Parasitol Int. 2006;55(3):163-7.
Martorelli, S. R., Poulin, R., & Mouritsen, K. N. (2006). A new cercaria and metacercaria of Acanthoparyphium (Echinostomatidae) found in an intertidal snail Zeacumantus subcarinatus (Batillaridae) from New Zealand. Parasitology International, 55(3), 163-7.
Martorelli SR, Poulin R, Mouritsen KN. A New Cercaria and Metacercaria of Acanthoparyphium (Echinostomatidae) Found in an Intertidal Snail Zeacumantus Subcarinatus (Batillaridae) From New Zealand. Parasitol Int. 2006;55(3):163-7. PubMed PMID: 16584913.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A new cercaria and metacercaria of Acanthoparyphium (Echinostomatidae) found in an intertidal snail Zeacumantus subcarinatus (Batillaridae) from New Zealand. AU - Martorelli,Sergio R, AU - Poulin,Robert, AU - Mouritsen,Kim N, Y1 - 2006/03/06/ PY - 2005/09/27/received PY - 2006/01/04/revised PY - 2006/02/11/accepted PY - 2006/4/6/pubmed PY - 2006/9/27/medline PY - 2006/4/6/entrez SP - 163 EP - 7 JF - Parasitology international JO - Parasitol. Int. VL - 55 IS - 3 N2 - A new 23-collar-spined cercaria and metacercaria are described from intertidal molluscs of the coast of New Zealand. The new cercaria found emerging from the mud snails Zeacumantus subcarinatus (Sowerby) (Prosobranchia: Batillariidae) is characterized mainly by the number and arrangement of the cephalic glands, the size of the suckers, and the size and number of the collar spines. The cercaria encysts in the cockle Austrovenus stutchburyi (Wood) (Bivalvia: Veneridae) which lives in sympatry with the first intermediate host throughout New Zealand. Laboratory infections of cockles by cercariae from naturally infected snails resulted in metacercariae identical to those found in naturally infected cockles. The main features of the cercaria and metacercaria are the presence of a reniform collar with 23 spines, two pairs of small cephalic glands at the oral sucker level, another two pairs of much longer ones posterior to the pharynx, and the excretory vesicle Y-shaped with the main collecting canals extending to the anterior level of the ventral sucker. Each of the main collecting canals had 10-11 pairs of bilateral diverticula between the anterior edge of the ventral sucker and anterior body end. A brief discussion of its possible life cycle and ecology is also provided. SN - 1383-5769 UR - https://www.unboundmedicine.com/medline/citation/16584913/A_new_cercaria_and_metacercaria_of_Acanthoparyphium__Echinostomatidae__found_in_an_intertidal_snail_Zeacumantus_subcarinatus__Batillaridae__from_New_Zealand_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1383-5769(06)00050-X DB - PRIME DP - Unbound Medicine ER -