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Renaud CB, Naseka AM. Redescription of the Far Eastern brook lamprey Lethenteronreissneri (Dybowski, 1869) (Petromyzontidae). Zookeys. 2015;(506):75-93doi: 10.3897/zookeys.506.9817.
Renaud, C. B., & Naseka, A. M. (2015). Redescription of the Far Eastern brook lamprey Lethenteronreissneri (Dybowski, 1869) (Petromyzontidae). ZooKeys, (506), 75-93. https://doi.org/10.3897/zookeys.506.9817
Renaud, Claude B, and Naseka, Alexander M. "Redescription of the Far Eastern brook lamprey Lethenteronreissneri (Dybowski, 1869) (Petromyzontidae)." ZooKeys vol. ,506 (2015): 75-93. doi: https://doi.org/10.3897/zookeys.506.9817
Renaud CB, Naseka AM. Redescription of the Far Eastern brook lamprey Lethenteronreissneri (Dybowski, 1869) (Petromyzontidae). Zookeys. 2015 May 28;(506):75-93. doi: 10.3897/zookeys.506.9817. eCollection 2015. PMID: 26085795; PMCID: PMC4467182.
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Zookeys. 2015 May 28;(506):75-93. doi: 10.3897/zookeys.506.9817. eCollection 2015.

Redescription of the Far Eastern brook lamprey Lethenteronreissneri (Dybowski, 1869) (Petromyzontidae).

ZooKeys

Claude B Renaud, Alexander M Naseka

Affiliations

  1. Research & Collections Division, Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, ON K1P 6P4 Canada.
  2. Faculty for Biology and Soil, St. Petersburg State University, Universitetskaya Emb. 7, St. Petersburg, 199034 Russia.

PMID: 26085795 PMCID: PMC4467182 DOI: 10.3897/zookeys.506.9817

Abstract

Nonparasitic Lethenteronreissneri (Dybowski) is redescribed based on four syntypes (two adults and two ammocoetes) from the Onon and Ingoda rivers, Russia, and 15 topotypic specimens (seven metamorphosing ammocoetes and eight ammocoetes) from the Onon River system, Russia and Mongolia. Posterial teeth were not mentioned in the original description, but Berg (1931) stated that they were sometimes absent, which he later (Berg 1948) changed to usually absent, based on material (some of which we have re-identified as parasitic Lethenteroncamtschaticum) from far outside of the type locality. The latter view has been widely accepted by subsequent authors. Unfortunately, the poor condition of the two adult syntypes did not permit verification of this character. However, a row of posterials was clearly visible in six of the seven topotypic metamorphosing ammocoetes and indicates their usual presence in the species. The first full description of the ammocoetes, including pigmentation, is provided. The present study restricts the distribution of Lethenteronreissneri to the Shilka and Songhua river systems within the Amur River basin, until a more geographically comprehensive study is undertaken. Additionally, in this study, feeding versus non-feeding at the adult stage, are considered to be valid taxonomic characters at the species level.

Keywords: Amur River basin; morphology; nonparasitic; taxonomy

References

  1. Dokl Biol Sci. 2011 Mar-Apr;437:113-8 - PubMed

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