First record of the deep-sea isopod family Dendrotionidae (Isopoda: Asellota) from the Northwest Pacific with description of two new species of Dendromunna

2017 ◽  
Vol 48 (1) ◽  
pp. 531-544 ◽  
Author(s):  
Olga A. Golovan ◽  
Marina V. Malyutina ◽  
Angelika Brandt
Keyword(s):  
New Species ◽  
Deep Sea ◽  
First Record ◽  
Northwest Pacific ◽  
Two New Species

scholarly journals First record of the genus Discorhabdella (Porifera, Demospongiae, Poecilosclerida, Crambeidae) from Sagami Bay, Japan with description of two new species

ZooKeys ◽  
2021 ◽  
Vol 1076 ◽  
pp. 67-81
Author(s):  
Yuji Ise ◽  
Jean Vacelet ◽  
Takato Izumi ◽  
Sau Pinn Woo ◽  
Shau Hwai Tan
Keyword(s):  
New Species ◽  
Geographical Distribution ◽  
First Record ◽  
Late Eocene ◽  
Northwest Pacific ◽  
Key To Species ◽  
Sagami Bay ◽  
The Family ◽  
Two New Species ◽  
Warm Temperate

Two new species of Discorhabdella are described from Sagami Bay, Japan. Discorhabdella has been suggested to have an ancient Tethyan origin according to discovery of their unique pseudoastrose acanthostyles from late Eocene to Oligocene deposits. This is the first record of the genus from the northwest Pacific and first record of the family Crambeidae from Japan. Discorhabdella hispidasp. nov. is distinctive within the genus by possession of special sigmoid microscleres and C-shaped isochelae with short alae. Discorhabdella misakiensissp. nov. is characterized by short choanosomal subtylostyles, and their length overlapped with that of the ectosomal subtylostyles. Only one other species, Discorhabdella tuberosocapitata (Topsent, 1890), has the same spicule composition. However, all spicule types are larger in D. tuberosocapitata than those of D. misakiensissp. nov., and the shape of the isochelae is different: the alae are more widely opened in D. tuberosocapitata. An identification key to species of the genus Discorhabdella is also provided. The discovery of two new species from warm temperate northwest Pacific extends the geographical distribution of the genus Discorhabdella.

Two new species of Sabellariidae (Annelida, Polychaeta) from the abyss of eastern Australia

Zootaxa ◽  
2020 ◽  
Vol 4821 (3) ◽  
pp. 487-510
Author(s):  
JINGHUAI ZHANG ◽  
PAT HUTCHINGS ◽  
INGO BURGHARDT ◽  
ELENA KUPRIYANOVA
Keyword(s):  
New Species ◽  
Sequence Data ◽  
Benthic Communities ◽  
First Record ◽  
Thoracic Segment ◽  
Distal Margin ◽  
Planktonic Larva ◽  
Eastern Australia ◽  
Two New Species ◽  
Buccal Flap

In May–June 2017 an expedition on board RV ‘Investigator’ sampled benthic communities along the lower slope and abyss of eastern Australia from off Tasmania to the Coral Sea. Over 200 sabellariid specimens of the genera Phalacrostemma and Gesaia were collected during the voyage and deposited in the Australian Museum. Here we describe two new species Gesaia csiro n. sp. (4414–4436 m) and Phalacrostemma timoharai n. sp. (1013–1093 m). We did not formally describe another species of Phalacrostemma due to poor condition of the single specimen. Gesaia csiro n. sp. is the first record of the genus from Australian waters (only a planktonic larva attributed to the genus has previously been recorded), and it can be distinguished from other congeners by the smooth surface of inner paleae, distal thecae of outer paleae with long, irregular and expanded distal fringe and circled distal margin. Phalacrostemma timoharai n. sp. differs from congeners by the following combination of characters: presence of the buccal flap, absence of tentacular filament, 18–22 pairs of outer paleae, two pairs of neuropodial cirri on first thoracic segment, and only one pair of lateral lobes on second thoracic segment. Morphological descriptions are accompanied by mitochondrial cytochrome c oxidase subunit 1 (COI) and ribosomal (16S, 18S and 28S) sequence data. A key to all Australian species of sabellariids is given.

Two new species of the genus Syngastes (Copepoda, Harpacticoida, Tegastidae) from South Korea

Crustaceana ◽  
2016 ◽  
Vol 89 (4) ◽  
pp. 431-458 ◽  
Author(s):  
Jong Guk Kim ◽  
Jong Guk Kim ◽  
Tae Won Jung ◽  
Jong Guk Kim ◽  
Tae Won Jung ◽  
...  
Keyword(s):  
New Species ◽  
South Korea ◽  
First Record ◽  
Exopodal Segment ◽  
Key To Species ◽  
Korean Waters ◽  
The Family ◽  
Two New Species ◽  
Almost All

Herein two new species of the genusSyngastesMonard, 1924 are described from South Korea, with detailed descriptions and illustrations. Both new copepods,Syngastesmulticavussp. nov. andS. pseudofoveatussp. nov., have two inner setae on the first exopodal segment of P2 and P3.Syngastesmulticavussp. nov. most closely resemblesS. gibbosusBartsch, 1999 reported from Australia, as they both have a five-segmented antennule in the female. However,Syngastesmulticavussp. nov. has a rounded body outline instead of the gibbose outline observed inS. gibbosus.Syngastespseudofoveatussp. nov. resemblesS. foveatusBartsch, 1994 in almost all aspects. However, they differ clearly in the number of setae on the first exopodal segment of P2 and P3. We also provide a key to species of the genusSyngastesworldwide. The present study is the first record of the family Tegastidae in Korean waters.

First record of the snail-killing fly genus Dichetophora Rondani (Diptera: Sciomyzidae) in Korea, with descriptions of two new species

Zootaxa ◽  
2021 ◽  
Vol 5068 (1) ◽  
pp. 125-132
Author(s):  
YEONGJIN SON ◽  
SANG JAE SUH
Keyword(s):  
New Species ◽  
Korean Peninsula ◽  
First Record ◽  
First Report ◽  
Two New Species ◽  
Palearctic Species

This paper provides the first report of the snail-killing fly genus Dichetophora Rondani, 1868 on the Korean peninsula with the discovery of two new species, D. koreana sp. nov. and D. nigricorpa sp. nov. Descriptions and illustrations of the new species and keys to the Palearctic species of this genus are given.  

Two new species of Cossura (Cossuridae, Annelida) from the terminal lobes of the Congo River deep-sea fan

2017 ◽  
Vol 97 (5) ◽  
pp. 881-888
Author(s):  
Anna Zhadan
Keyword(s):  
New Species ◽  
Deep Sea ◽  
Anterior Margin ◽  
Posterior Part ◽  
Entire Body ◽  
Congo River ◽  
Two New Species ◽  
Dark Pigmentation ◽  
Sea Fan ◽  
Scanning Electron

Two new species of Cossura Webster & Benedict, 1887 were found in material collected during sampling from the terminal lobes of the Congo deep-sea fan. They were described using light and scanning electron microscopy. Cossura platypus sp. nov. has 15–17 thoracic chaetigers, a prostomium longer than it is wide, with a widely rounded anterior margin, an abruptly expanded posterior prostomial ring the same length as the peristomium, without a mid-ventral notch, a branchial filament attached to the midlength of chaetiger 3, and a pygidium with three anal cirri. Cossura platypus sp. nov. is similar to C. brunnea Fauchald, 1972 but differs in the shape of the prostomium, which is widely rounded anteriorly in C. platypus sp. nov. and is broadly triangular in C. brunnea; furthermore, C. platypus sp. nov.is uniformly pale, whereas C. brunnea has dark pigmentation. Cossura candida Hartman, 1955 differs from C. platypus sp. nov. in the conical shape of the prostomium and 24–35 thoracic chaetigers. Cossura flabelligera sp. nov. has 16–19 thoracic chaetigers, a conical prostomium, and a branchial filament arising from the posterior part of chaetiger 2; the entire body, including the chaetae, is covered by a thick mucous sheath similar to the tunic of flabelligerids. Cossura flabelligera sp. nov. resembles C. longocirrata Webster & Benedict, 1887 in the position of the branchial filament, the shape of the prostomium, and the number of thoracic chaetigers; it differs in having a thick mucous sheath. This character seems to be unique for the Cossuridae.

Two New Species of Sandersiella (Cephalocarida), Including One From the Deep Sea 1)

Crustaceana ◽  
1973 ◽  
Vol 24 (2) ◽  
pp. 181-196 ◽  
Author(s):  
Howard L. Sanders ◽  
Robert R. Hessler
Keyword(s):  
New Species ◽  
Deep Sea ◽  
Two New Species

Two new species of Hoplomegistidae (Acari: Mesostigmata) associated with passalid Beetles from China

2017 ◽  
Vol 22 (6) ◽  
pp. 797
Author(s):  
Xin-Feng Zhang ◽  
Tian-Ci Yi ◽  
Jian-Jun Guo ◽  
Dao-Chao Jin
Keyword(s):  
New Species ◽  
Posterior Margin ◽  
First Record ◽  
Lateral Margin ◽  
Adult Females ◽  
The Family ◽  
Two New Species

Stenosternum cordata sp. nov. and Stenosternum bifurcata sp. nov., new to science, are described, which is the first record of Hoplomegistidae from Asia. Stenosternum cordata sp. nov. is distinguished by its heart-shaped latigynal shield with two pairs of setae along the lateral margin, and two pairs of setae along the posterior margin of the sternal shield. Stenosternum bifurcata sp. nov. is distinguished by having remarkable bifurcate corniculus, six pairs of setae on the sternal shield and three pairs setae on the latigynal shield. The family Hoplomegistidae Camin & Gorirossi, 1955 is redefined and a key to adult females of species is provided. 

Two new species of the genus Laena Dejean (Coleoptera: Tenebrionidae: Lagriinae) from Hong Kong

Zootaxa ◽  
2017 ◽  
Vol 4344 (1) ◽  
pp. 169 ◽  
Author(s):  
WOLFGANG SCHAWALLER ◽  
PAUL ASTON
Keyword(s):  
Hong Kong ◽  
New Species ◽  
Body Length ◽  
First Record ◽  
Zhejiang Province ◽  
Two New Species ◽  
Coleoptera Tenebrionidae

Two new species of the genus Laena Dejean, 1821 (Coleoptera: Tenebrionidae: Lagriinae) are described from Hong Kong: Laena hongkongica sp. n. and Laena walkeri sp. n. These constitute the first record of the genus from Hong Kong, as a species previously described from nearby area Laena ovipennis Schuster, 1926, in fact originated from Zhejiang province nearby Shanghai. Both species from Hong Kong possess a wide variation in body length, which is quite unusual for this genus. 

scholarly journals First record of the genus Fagineura Vikberg & Zinovjev (Hymenoptera, Tenthredinidae) with descriptions of two new species from China

ZooKeys ◽  
2019 ◽  
Vol 829 ◽  
pp. 29-42
Author(s):  
Mengmeng Liu ◽  
Zejian Li ◽  
Meicai Wei
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
First Record ◽  
Two New Species ◽  
First Time

Fagineura Vikberg & Zinovjev, 2000 is recorded from China for the first time. Two species of Fagineura are described as new, F.flactoserrulasp. n. and F.xanthosomasp. n. A key to the species of Fagineura worldwide is provided, now including four species. In addition, a simple phylogenetic analysis of Fagineura species is provided, based on sequences of the COI and NaK genes.

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