• Title/Summary/Keyword: Biological evolution

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A New Species of Genus Cinachyrella (Spirophorida: Tetillidae) from Korea

  • Shim, Eun-Jeong;Sim, Chung-Ja
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.1
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    • pp.75-78
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    • 2010
  • A new marine sponge Cinachyrella unjinensis n. sp. has been collected from Jejudo Island in 2009. This new species is similar to C. kuekenthali (Uliczka, 1929) in the shape and composition of the spicules except for style. However, it differs from the latter by size of anatriaenes, protriaenes and microxeas.

A New Species of the Genus Narrabeena (Demospongiae: Dictyoceratida: Thorectidae) from Korea

  • Kim, Hye-Ri;Sim, Chung-Ja
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.1
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    • pp.83-86
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    • 2010
  • A new species of the family Thorectidae, Narrabeena nigra n. sp. is described. This species was collected from the front of Songaksan, Daejeong-eup, Seogwipo-si, Jejudo Island, Korea. Narrabeena nigra n. sp. is similar to Narrabeena lamellate (Bergquist, 1980) with uncored primary and secondary fibres and an unarmoured surface. They differ in growth form, colour, and fibres.

New Record of Psenulus carinifrons iwatai (Hymenoptera: Crabronidae: Pemphredoninae) in Korea

  • Yang, Hyeon-Woo;Kim, Jeong-Kyu
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.3
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    • pp.361-363
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    • 2010
  • Psenulus carinifrons iwatai (Gussakovskij) is reported for the first time in Korea. This species is defined by its long petiole of sternum I and extensive coloration on legs in both sexes, and simply linear frontal carina in female. Diagnostic description and digital images are presented.

First Report of Stilt Crab Crossotonotus spinipes (Decapoda: Palicoidea: Crossotonotidae) from Korea

  • Lee, Sang-Kyu;Kim, Sa-Heung;Kim, Won
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.3
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    • pp.357-359
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    • 2010
  • A stilt crab Crossotonotus spinipes (De Man, 1888) is newly reported from Korean waters as a result of continuous taxonomic studies on crabs. The present specimen has a row of tubercles and a longitudinal lobe with denticles on the dorsal border of the propodus of the chelipeds, and a shorter Pereopod 5. The description and illustration of this species are provided.

First Record of the Subfamily Methochinae (Hymenoptera: Tiphiidae) from Korea

  • Kim, Jeong-Kyu;Han, Seung-Pil
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.1
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    • pp.71-73
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    • 2010
  • First discovery of Methocha articulata (Latreille) in Korea is reported. This species is transpalaearctic in distribution, and in the Far East only known from the Russian Far East so far. Diagnostic characters and digital images of this species are provided.

New Records of Three Xanthid Crabs (Decapoda: Brachyura: Xanthidae) from Jejudo Island in Korea

  • Lee, Seok-Hyun;Ko, Hyun-Sook
    • Animal Systematics, Evolution and Diversity
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    • v.27 no.2
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    • pp.183-190
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    • 2011
  • Three xanthid crabs, Liomera margaritata, Neoxanthops lineatus and Pilodius miersi, are described and illustrated for the first time in Korea. Liomera margaritata and N. lineatus are the first species of their genera to be found in Korea. The three species represent extensions of their previously known ranges and bring the number of known species of the xanthid crabs to 25 from Korean waters.

Three Aetideid Species of Copepods (Copepoda: Calanoida: Aetideidae) from East Sea of Korea

  • Lim, Byung-Jin;Song, Sung-Joon;Min, Gi-Sik
    • Animal Systematics, Evolution and Diversity
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    • v.27 no.1
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    • pp.35-46
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    • 2011
  • Three aetideid copepods collected from the East Sea of Korea are described: Bradyidius angustus (Tanaka, 1957), Gaetanus minutus (Sars, 1907), and Aetideus acutus Farran, 1929. The former two species are new to the Korean copepod fauna. The sequences of cytochrome c oxidase subunit 1 were determined to be the molecular characteristics of these three species.

A New Species of the Genus Hippospongia (Demospongiae: Dictyoceratida) from Korea

  • Lee, Kyung-Jin;Sim, Chung-Ja
    • Animal Systematics, Evolution and Diversity
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    • v.27 no.1
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    • pp.93-96
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    • 2011
  • Sponges of the family Spongiidae are poorly known in Korean waters. This paper describes Hippospongia bergquistia n. sp. of the family Spongiidae (Demospongiae: Dictyoceratida) collected from Moselpo, Jejudo Island, Korea in 2007. This new species has a cavernous construction, rare pseudo-tertiary fibre, and rare primary fibres.

A New Record of Melita bingoensis (Crustacea: Amphipoda: Melitidae) from Korea

  • Shin, Myung-Hwa;Kim, Won
    • Animal Systematics, Evolution and Diversity
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    • v.27 no.2
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    • pp.201-204
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    • 2011
  • A melitid species, Melita bingoensis Yamato, 1987 collected from the Yellow Sea, is reported for the first time in Korea. This species has a slit-like pocket in coxa 6 of female, which is not found in other Korean melitid amphipods. In this paper, we compared this species with three other previously known Korean species in the same genus.

A New Species of the Genus Tetilla (Spirophorida: Tetillidae) from Korea

  • Shim, Eun-Jung;Sim, Chung-Ja
    • Animal Systematics, Evolution and Diversity
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    • v.27 no.1
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    • pp.101-103
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    • 2011
  • A new species in the genus Tetilla, Tetilla hwasunensis n. sp. was collected from Hwasun Harbor, Jejudo Island in 2009. This species differs from T. serica its lack of spherules and from T. radiate by having sigmaspires. Description and figures of the new species are provided.