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Plathong, Jintana; Plathong, Sakanan; Dean, Harlan K. (2024). New species of Glyphohesione and Pseudexogone (Annelida, Pilargidae) from the Gulf of Thailand. Zootaxa. 5428(2): 235-252.
482400
10.11646/zootaxa.5428.2.4 [view]
urn:lsid:zoobank.org:pub:ED72D618-B7FA-422A-BAA6-568FA3AB7F7E [view]
Plathong, Jintana; Plathong, Sakanan; Dean, Harlan K.
2024
New species of Glyphohesione and Pseudexogone (Annelida, Pilargidae) from the Gulf of Thailand
Zootaxa
5428(2): 235-252
Publication
Annelidabase
Available for editors  PDF available [request]
Two new species of Pilargidae, Glyphohesione pattaniensis sp. nov. and Pseudexogone losinensis sp. nov. are described from the southern Gulf of Thailand, Pattani Province. Glyphohesione pattaniensis sp. nov. is clearly distinguished from all other known species in the genus by having lateral antennae on the middle of the prostomium; lacking ventral cirri at chaetiger 2; first notopodial spines beginning at chaetiger 6; and having small epidermal papillae. Pseudexogone losinensis sp. nov. belongs to a group of species in the genus with eyespots present and differs from all other described species by the shape of the furcate chaetae with a strongly curved large tine and a tine with an open tip. An updated key to the species of Glyphohesione and Pseudexogone and a world map of both genera are also provided.
South-east Asia
Systematics, Taxonomy
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2024-03-20 22:58:05Z
created
Read, Geoffrey

Holotype PSUZC PSUZC-POL- 0456, geounit Gulf of Thailand, identified as Pseudexogone losinensis Plathong, Plathong & Dean, 2024
Holotype PSUZC PSUZC-POL-0455, geounit Gulf of Thailand, identified as Glyphohesione pattaniensis Plathong, Plathong & Dean, 2024
 Depth range
 for Glyphohesione pattaniensis Plathong, Plathong & Dean, 2024

15 m. [details]
 Depth range
 for Pseudexogone losinensis Plathong, Plathong & Dean, 2024

18‒35.6 m. [details]
 Distribution
 for Glyphohesione pattaniensis Plathong, Plathong & Dean, 2024

Pacific Ocean: Southern Gulf of Thailand. [details]
 Distribution
 for Pseudexogone losinensis Plathong, Plathong & Dean, 2024

Pacific Ocean: Southern Gulf of Thailand. [details]
 Etymology
 for Glyphohesione pattaniensis Plathong, Plathong & Dean, 2024

"This species [pattaniensis] is named after Pattani Province, the type locality" (Plathong et al., 2024: 242). [details]
 Etymology
 for Pseudexogone losinensis Plathong, Plathong & Dean, 2024

"This species [losinensis] is named after Losin Island, a small island in the Gulf of Thailand, the locality where ... [details]
 Habitat
 for Glyphohesione pattaniensis Plathong, Plathong & Dean, 2024

In sand mixed with shell fragments, shallow water (15 m). [details]
 Habitat
 for Pseudexogone losinensis Plathong, Plathong & Dean, 2024

In sandy sediments and coral rubble, at shallow shelf depths (18‒35.6 m). [details]
 Type locality
 for Glyphohesione pattaniensis Plathong, Plathong & Dean, 2024

Thailand (Pattani Province), Southern Gulf of Thailand (7°N, 101.3333°E), 15 m, sand mixed with shell fragments. [details]
 Type locality
 for Pseudexogone losinensis Plathong, Plathong & Dean, 2024

Losin Island, Thailand, Gulf of Thailand (7.15°N, 101.9833°E), 32 m, sand mixed with coral rubble. [details]

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