Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand

In this contribution, three new species of sternaspids collected from sediments along the coast of southern Thailand are described: Petersenaspis apinyae sp. nov. from a depth of 50–80 m offshore in the Gulf of Thailand; P. narisarae sp. nov. from 9 m depth in the Songkhla Sea, Gulf of Thailand; and P. pakbaraensis sp. nov. from tidal mudflats on the Andaman Coast. All three species resemble P. palpallatoci Sendall & Salazar-Vallejo, 2013. They differ mainly in the pigmentation and shape of the shield, the number of ventral chaetae and chaetae at the posterior shield, body papillae, and size of the abdomen. Further, P. apinyae sp. nov. is clearly distinguished from other species of the genus by having dark orange to red butterfly wing-shaped shields, with strongly curved anterior margins. P. narisarae sp. nov. differs from other species by having concentric colored bands over shields and an expanded oval abdomen. P. pakbaraensis sp. nov. can be distinguished from other species by its dark brown-purple shield and laterally expanded fan. These three species have a unique character in their branchial plates: long brownish filaments. A key to the identification of all species of Petersenaspis is included.

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Lithoselatium tantichodoki, a new species of intertidal crab (Crustacea:Brachyura: Sesarmidae) from southern Thailand

Zootaxa ◽

10.11646/zootaxa.2291.1.2 ◽

2021 ◽

Vol 2291 (1) ◽

Author(s):

RUEANGRIT PROMDAM ◽

PETER K. L. NG

Keyword(s):

New Species ◽

Gulf Of Thailand ◽

Intertidal Crab ◽

Southern Thailand ◽

The Gulf Of Thailand ◽

A New Species

A new species of intertidal sesarmid crab, Lithoselatium tantichodoki new species, is described from the Gulf of Thailand. The species is superficially similar to L. kusu Schubart, Liu & Ng, 2009, from Singapore and Malaysia, but differs in the proportions of the ambulatory legs and the structure of the male first gonopod.

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Geographic structure of genetic variation in the Parachute Gecko Ptychozoon lionotum Annandale, 1905 across Indochina and Sundaland with descriptions of three new species

Zootaxa ◽

10.11646/zootaxa.4638.2.1 ◽

2019 ◽

Vol 4638 (2) ◽

pp. 151-198 ◽

Cited By ~ 4

Author(s):

L. LEE GRISMER ◽

PERRY L. JR. WOOD ◽

JESSE L. GRISMER ◽

EVAN S. H. QUAH ◽

NEANG THY ◽

...

Keyword(s):

New Species ◽

Sequence Divergence ◽

Color Pattern ◽

Sensu Stricto ◽

Peninsular Malaysia ◽

Phylogeographic Structure ◽

Geographic Structure ◽

Southern Thailand ◽

Taxonomic Changes ◽

Three New Species

An integrative taxonomic analysis of the Ptychozoon lionotum group across its range in Indochina and Sundaland recovers P. lionotum sensu lato Annandale, 1905 as paraphyletic with respect to P. popaense Grismer, Wood, Thura, Grismer, Brown, & Stuart, 2018a and composed of four allopatric, genetically divergent, ND2 mitochondrial lineages. Multivariate and univariate analyses of continuous and discrete morphological and color pattern characters statistically and discretely diagnose each lineage from one another and together, with maximum likelihood and Bayesian inference analyses, provide the foundation for the recognition of each lineage as a new species—hypotheses corroborated with a Generalized Mixed Yule Coalescent species delimitation analysis. Ptychozoon cicakterbang sp. nov. ranges throughout Peninsular Malaysia to Pulau Natuna Besar, Indonesia; P. kabkaebin sp. nov. is endemic to northern and central Laos; and P. tokehos sp. nov. ranges from southern Thailand south of the Isthmus of Kra northward to Chiang Mai, fringing the Chao Phraya Basin and ranging southward through Cambodia to southern Vietnam. Ptychozoon lionotum sensu stricto ranges from northwestern Laos through southern Myanmar to eastern India. The phylogeographic structure within each species varies considerably with P. lionotum s.s. showing no genetic divergence across its 1,100 km range compared to P. cicakterbang sp. nov. showing upwards of 8.2% sequence divergence between syntopic individuals. Significant phylogeographic structure exists within P. tokehos sp. nov. and increased sampling throughout Thailand may require additional taxonomic changes within this species.

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The terrestrial microsnail genus Aulacospira Möllendorff, 1890 (Eupulmonata, Stylommatophora, Hypselostomatidae) in Thailand with key to Thai species

ZooKeys ◽

10.3897/zookeys.980.54100 ◽

2020 ◽

Vol 980 ◽

pp. 23-42

Author(s):

Pongrat Dumrongrojwattana ◽

Kitti Tanmuangpak

Keyword(s):

New Species ◽

Genital System ◽

Southern Thailand ◽

Research Collection ◽

Three New Species

Thai terrestrial microsnails in the genus Aulacospira Möllendorff, 1890 are revised based on the collection of the Zoological Research Collection, Burapha University, Chonburi Province, Thailand and recently collected material. Three new species are described: Aulacospira nutadhirai sp.nov. from Southern Thailand, and Aulacospira tekavongaesp.nov. and Aulacospira vanwalleghemisp. nov. from Eastern Thailand. The radula and genital system are described, and a key to Thai species is presented.

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On the distribution of the marine genus Thinolestris Grootaert & Meuffels (Diptera, Dolichopodidae) with a description of a new species from Singapore, Malaysia and Brunei

Zootaxa ◽

10.11646/zootaxa.1134.1.4 ◽

2006 ◽

Vol 1134 (1) ◽

pp. 59

Author(s):

PATRICK GROOTAERT ◽

NEAL L. EVENHUIS

Keyword(s):

New Species ◽

South China Sea ◽

Sandy Beaches ◽

Andaman Sea ◽

Morphological Data ◽

Gulf Of Thailand ◽

Coral Sea ◽

The Gulf Of Thailand ◽

The Moment ◽

A New Species

Four species of Thinolestris Grootaert & Meuffels are known so far, including T. nigra sp. nov., which is described here from Singapore, Malaysia and Brunei. New morphological data on the genus are given. At the moment, Thinolestris is only known from Andaman Sea, Strait of Singapore, South China Sea, Celebes Sea, Bismarck Sea and the Coral Sea. It is not yet known from North Australia nor from the Gulf of Thailand, or farther north. Thinolestris adults are active on beaches with small pebbles mixed with sandy patches. It is not found on rocks, pure sandy beaches nor mangroves.

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A new species of coral-feeding nudibranch (Mollusca: Gastropoda) from the Gulf of Thailand

Marine Biodiversity ◽

10.1007/s12526-020-01050-2 ◽

2020 ◽

Vol 50 (3) ◽

Cited By ~ 2

Author(s):

Rahul Mehrotra ◽

Spencer Arnold ◽

Adam Wang ◽

Suchana Chavanich ◽

Bert W. Hoeksema ◽

...

Keyword(s):

New Species ◽

Gulf Of Thailand ◽

Coral Feeding ◽

The Gulf Of Thailand ◽

A New Species

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Biodiversity and host specificity of sponge-associated barnacles (Cirripedia: Thoracica) in Thailand

Journal of Crustacean Biology ◽

10.1093/jcbiol/ruaa080 ◽

2020 ◽

Vol 40 (6) ◽

pp. 839-865 ◽

Cited By ~ 1

Author(s):

Meng-Chen Yu ◽

Benny K K Chan ◽

Gregory A Kolbasov ◽

Monthon Ganmanee

Keyword(s):

New Species ◽

Host Specificity ◽

Andaman Sea ◽

Host Use ◽

Gulf Of Thailand ◽

Molecular Approach ◽

Barnacle Species ◽

Wide Range ◽

Two New Species ◽

The Gulf Of Thailand

Abstract We examined the diversity and host use of sponge-associated barnacles of Thailand (Andaman Sea and the Gulf of Thailand) using a combined morphological and molecular approach. Eight barnacle species (including two new species) were collected from 12 host sponges. Host-specific barnacle species includes Acasta lappasp. nov., which exclusively inhabits the sponge Mycale sp. Acasta milkaesp. nov. was only collected from the sponge Callyspongia cf. diffusa (Ridley, 1884). Multatria filigranus (Broch, 1916) were found in the encrusting soft sponges Monanchora unguiculata (Dendy, 1922) and Clathria sp. Pyrgospongia stellula (Rosell, 1975) inhabits the sponges Spheciospongia vagabunda (Ridley, 1884). Generalist barnacle species includes Euacsta ctenodentia (Rosell, 1972), E. porata (Nilsson-Cantell, 1921), E. zuiho (Hiro, 1936), and Acasta cyathus Darwin, 1854, which inhabit a wide range of sponges with various textures.

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Two new species of the genus Chironephthya (Octocorallia, Alcyonacea, Nidaliidae, Siphonogorgiinae) from the Gulf of Thailand

Zootaxa ◽

10.11646/zootaxa.4780.2.6 ◽

2020 ◽

Vol 4780 (2) ◽

pp. 324-340

Author(s):

YUKIMITSU IMAHARA ◽

SUCHANA CHAVANICH ◽

VORANOP VIYAKARN ◽

YUKA KUSHIDA ◽

JAMES D. REIMER ◽

...

Keyword(s):

New Species ◽

New Genus ◽

Phylogenetic Analyses ◽

Taxonomic Revision ◽

Gulf Of Thailand ◽

Rdna Sequences ◽

Two New Species ◽

28S Rdna Sequences ◽

The Gulf Of Thailand ◽

Multiple Stems

Two new species of the genus Chironephthya, C. sirindhornae sp. nov. and C. cornigera sp. nov., are described based on three specimens collected from the Gulf of Thailand. Both species are well distinguished from the previously described species of the genus Chironephthya by their colonies consisting of multiple stems that stand upright from a common base, and by a significantly thinner canal wall without large spindles. As a result of phylogenetic analyses using COI, mtMutS, and 28S rDNA sequences of these two species, these three specimens constituted an independent small clade within a large mixed clade of Siphonogorgia and Chironephthya, with the two species slightly different from each other. The discrepancy in the morphology suggested the erection of a new genus to accommodate these species, however, as the subclade was included in a large mixed clade of Siphonogorgia and Chironephthya, we place these species within genus Chironephthya. Our results further highlight the continuing confusion between Siphonogorgia and Chironephthya, and demonstrate the need for taxonomic revision of these genera.

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Spatial variability in the composition of macrofauna on intertidal rocky shores along the coast of the Andaman Sea and the Gulf of Thailand, Southern Thailand

Plankton and Benthos Research ◽

10.3800/pbr.13.154 ◽

2018 ◽

Vol 13 (4) ◽

pp. 154-162

Author(s):

Kringpaka Wangkulangkul ◽

Ruaengrit Promdam

Keyword(s):

Spatial Variability ◽

Andaman Sea ◽

Gulf Of Thailand ◽

Rocky Shores ◽

Southern Thailand ◽

The Gulf Of Thailand

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The ant genus Myopias Roger, 1861 (Hymenoptera: Formicidae: Ponerinae) in Thailand, with descriptions of three new species

Zootaxa ◽

10.11646/zootaxa.4526.2.3 ◽

2018 ◽

Vol 4526 (2) ◽

pp. 151 ◽

Cited By ~ 1

Author(s):

WEEYAWAT JAITRONG ◽

WATTANACHAI TASEN ◽

BENOIT GUÉNARD

Keyword(s):

New Species ◽

Forest Floor ◽

New Records ◽

Valid Species ◽

Rotten Wood ◽

Southern Thailand ◽

Three New Species ◽

First Time

The genus Myopias Roger, 1861 is distributed in the Australian, Oceanian, Oriental and southern Sino-Japanese realms. Currently 40 valid species and three subspecies have been described, but none have ever been recorded for Thailand. Here we review the species of Thailand, recognizing seven in total. Four are new records of previously described species: Myopias bidens (Emery, 1900), M. crawleyi (Donisthorpe, 1941), M. maligna punctigera (Emery, 1900), and M. mandibularis (Crawley, 1924). Three new species are described: Myopias minima sp. nov. from southern Thailand, M. sakaeratensis sp. nov. from eastern Thailand and M. sonthichaiae sp. nov. from northern and western Thailand. The queen caste of M. mandibularis is described here for the first time and additional descriptions of other species are provided. All these species were found to nest in rotten wood on the forest floor.

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