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1 0 0 0 OA Two new species of the shrimp genus Lebbeus White from the Sea of Japan, with redescription of Lebbeus kuboi Hayashi (Decapoda: Caridea: Hippolytidae)

著者
Komai Tomoyuki Hayashi Ken-Ichi Kohtsuka Hisanori
出版者
日本甲殻類学会
雑誌
Crustacean research (ISSN:02873478)
巻号頁・発行日
no.33, pp.103-125, 2004-12
被引用文献数
1
Two new species of hippolytid shrimp, Lebbeus elegans sp. nov. and L. polyacanthus sp. nov., are described from the Sea of Japan, at depths of 250-400m. Lebbeus elegans is characterized by the absence of epipods on the second and third pereopods, distinct ventral blade of the rostrum and the rounded fourth abdominal pleuron. Lebbeus polyacanthus is compared with L. antarcticus (Hale, 1941), L. carinatus Zarenkov, 1976, and L. washingtonianus (Rathbun, 1902). Lebbeus polyacanthus differs from the latter three species in the more posteriorly arising posteriormost tooth of the dorsal rostral series and more numerous lateral spines on the meri of the third to fifth pereopods. Examination of the newly obtained material of L. kuboi Hayashi, 1992, enabled us to assess intraspecific variations of the species, including a variation in the development of the pereopodal epipods. Redescription of Lebbeus kuboi is provided and its affinity is discussed. These three species occur sympatrically. A brief note on the taxonomy and distribution of species of Lebbeus is also provided.

1 0 0 0 A Review of the Trachysalambria curvirostris Species Group (Crustacea : Decapoda : Oenaeidae) with Description of a New Species

著者
Sakaji Hideo Hayashi Ken-Ichi
出版者
日本動物分類学会
雑誌
Species diversity : an international journal for taxonomy, systematics, speciation, biogeography, and life history research of animals (ISSN:13421670)
巻号頁・発行日
vol.8, no.2, pp.141-174, 2003-05-01
参考文献数
98
The taxonomy of the Trachysalambria curvirostris species group is clarified based on abundant material from East Asia and other localities in the Indo-West Pacific and the Mediterranean. The following six species, including one new species, are recognized : T. curvirostris (Stimpson, 1860), T. longipes (Paulson, 1875), T. aspera (Alcock, 1905), T. palaestinensis (Steinitz, 1932), T. albicoma (Hayashi and Toriyama, 1980), and T. nansei new species. For nomenclatural stability, a neotype of Trachysalambria curvirostris is designated. Species differences are discussed in detail and a key to these species is provided.