The taxonomic status of Choanoscolex lamothei, a proteocephalidean tapeworm described from the catfish Ictalurus meridionalis (= I. furcatus) from Oaxaca, Mexico, was evaluated on the basis of morphological examination of types and freshly collected specimens from the type host and partial sequences of the large subunit (28S) ribosomal DNA. This study revealed that C. lamothei is a species of Megathylacoides (Proteocephalidae: Corallobothriinae) because of the medullary position of the genitalia (entirely cortical in Choanoscolex), the presence of semispherical sphincters on the suckers, a follicular ovary, and the alternating position of the vagina. Megathylacoides lamothei n. comb. differs from congeneric species in lacking an apical organ and in the number (130–208) of testes. Molecular data confirm the position of M. lamothei within Megathylacoides, which contains species parasitizing ictalurid fishes in North America.
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December 2003
SYSTEMATICS-PHYLOGENETICS|
December 01 2003
TAXONOMIC STATUS OF CHOANOSCOLEX LAMOTHEI GARCÍA-PRIETO, 1990 (CESTODA: PROTEOCEPHALIDEA) USING MORPHOLOGICAL AND MOLECULAR EVIDENCE Available to Purchase
Tomáš Scholz;
Tomáš Scholz
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic. [email protected]
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Rogelio Rosas, V;
Rogelio Rosas, V
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic. [email protected]
* Instituto de Biología, Universidad Nacional Autónoma de México, Ap. Postal 70-153, C.P. 04510 México, D.F., Mexico
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Gerardo Pérez-Ponce de León;
Gerardo Pérez-Ponce de León
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic. [email protected]
* Instituto de Biología, Universidad Nacional Autónoma de México, Ap. Postal 70-153, C.P. 04510 México, D.F., Mexico
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Anindo Choudhury;
Anindo Choudhury
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic. [email protected]
† Division of Natural Sciences, St. Norbert College, 100 Grant Street, De Pere, Wisconsin 54115
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Alain de Chambrier
Alain de Chambrier
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic. [email protected]
‡ Département des Invertébrés, Muséum d'histoire naturelle, P.O. Box 6434, CH-1211 Geneva 6, Switzerland
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J Parasitol (2003) 89 (6): 1212–1219.
Citation
Tomáš Scholz, Rogelio Rosas, Gerardo Pérez-Ponce de León, Anindo Choudhury, Alain de Chambrier; TAXONOMIC STATUS OF CHOANOSCOLEX LAMOTHEI (CESTODA: PROTEOCEPHALIDEA) USING MORPHOLOGICAL AND MOLECULAR EVIDENCE. J Parasitol 1 December 2003; 89 (6): 1212–1219. doi: https://doi.org/10.1645/GE-3151
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