Too early for the ferry: The biogeographic history of the Assamiidae of southeast Asia (Chelicerata: Opiliones, Laniatores)

Palmieri, L.; Giribet, Gonzalo; Sharma, Prashant P.

doi:10.1016/j.ympev.2022.107647

Cited by 3 publications

(3 citation statements)

References 60 publications

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“…The disjunction and the differences in habitat suggest the possibility of two different evolutionary lineages. Note that Palmieri et al (2023) found a sister-group relationship in a clade composed of "Indian Region" and "Thai-Malay Peninsula" which is replicated here in the species of Nilgirius , considering that Yunnan is more Thai-Malay than "Eastern Palearctic".…”

Section: Discussionsupporting

confidence: 75%

“…As the genus Nilgirius was erected in 1915, Roewer (1915) placed it in the subfamily Trionyxellinae Roewer, 1912. There are still inconsistent opinions on whether the ‘ Trionyxellinae ’ is a family or a subfamily ( Kury 2018 ; Palmieri et al 2023 ). We tentatively place Trionyxellinae as a subfamily of Assamiidae s.l.…”

Section: Discussionmentioning

confidence: 99%

“…The carapace of the species has a row of five sharp spines on the anterior margin and the pedipalpi are flattened and crossed in front of the body. Recently, Palmieri et al (2023) conducted a molecular phylogeny of Assamiidae using a ten-locus Sanger dataset. They sampled key taxa from both the Afrotropics and Australasia and recovered the Assamiidae as a monophyletic group, including Trionyxellidae .…”

Section: Introductionmentioning

confidence: 99%

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Description of Nilgirius pygoprominulus sp. n. (Opiliones, Assamiidae, Trionyxellinae) from China, with notes on its sexual dimorphism

Jin¹,

Cheng²,

Zhang³

2023

BDJ

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A new species of Nilgirius, N. pygoprominulus sp. n. (male and female) in the family Assamiidae from Yunnan Province, China, is described and illustrated herein. Sexual size dimorphism (male larger than female) is inconsistent with most assamiids. Other sexually dimorphic features (body shape, leg IV and pseudonychium) are reported. Nilgirius pygoprominulus sp. n. is described as a new species of Trionyxellinae. Information about sexual dimorphism of the species is reported.

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Description of Nilgirius pygoprominulus sp. n. (Opiliones, Assamiidae, Trionyxellinae) from China, with notes on its sexual dimorphism

Jin¹,

Cheng²,

Zhang³

2023

BDJ

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New species of Paktongius and convergent evolution of the gonyleptoid-like habitus in Southeast Asian Assamiidae (Opiliones: Laniatores)

KLEMENTZ,

SHARMA

2023

Zootaxa

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The armored harvestman family Assamiidae (Arachnida: Opiliones: Laniatores) is widely distributed throughout the Old World tropics, specifically throughout tropical Asia and Central Africa. However, the systematics and intrafamilial relationships of the group remain poorly understood. This can be largely attributed to the complicated taxonomic history of the group, which is exemplified by poorly supported subfamily classifications and the prevalence of monotypic genera. Here, we describe four new species of the formerly monotypic genus Paktongius Suzuki, 1969, using specimens collected from Laos, Thailand, and West Malaysia, suggesting a degree of microendemism within the group, which underscores the need for greater sampling of the southeast Asian arachnofauna. Recent phylogenetic analysis has also suggested that Mysorea thaiensis Suzuki, 1985 nests within a clade composed of Paktongius distinctus Suzuki, 1969 and the species described herein (P. suzukii sp. nov., P. spiculosus sp. nov., P. paritensis sp. nov., P. furculus sp. nov.). We therefore transfer Mysorea thaiensis to Paktongius (P. thaiensis comb. nov.). We also comment on the unique morphology of this highly derived group of harvestmen, which appears to suggest convergent evolution of the gonyleptoid-like morphology, complete with the characteristic exaggerated leg four coxae and laterally expanded scutum.

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A new genus of Assamiidae (Opiliones, Grassatores) from Xizang, China

Qi,

Kury,

Zhang

2024

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Knowledge of the family Assamiidae in the Eastern Himalayas is primarily concentrated from Nepal, while Bhutan, Xizang, and northeastern India remain much less studied. Herein, a new genus, Linzhiassamiagen. nov., is described from Xizang, China, along with two new species, Linzhiassamia medogensissp. nov. and Linzhiassamia zayuensissp. nov. These represents the first records of the family Assamiidae from Xizang. A comparative analysis with other continental Asian Assamiidae is undertaken, with a focus on genital morphology. Potential closest relatives are identified, including the genus Dhaulagirius Martens, 1977 from Nepal.

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Too early for the ferry: The biogeographic history of the Assamiidae of southeast Asia (Chelicerata: Opiliones, Laniatores)

Cited by 3 publications

References 60 publications

Description of Nilgirius pygoprominulus sp. n. (Opiliones, Assamiidae, Trionyxellinae) from China, with notes on its sexual dimorphism

Description of Nilgirius pygoprominulus sp. n. (Opiliones, Assamiidae, Trionyxellinae) from China, with notes on its sexual dimorphism

New species of Paktongius and convergent evolution of the gonyleptoid-like habitus in Southeast Asian Assamiidae (Opiliones: Laniatores)

A new genus of Assamiidae (Opiliones, Grassatores) from Xizang, China

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