A new species of Cryptocellus (Arachnida, Ricinulei) from Oriental Amazonia

Pinto‐da‐Rocha, Ricardo; Bonaldo, Alexandre B.

doi:10.11646/zootaxa.1386.1.5

Cited by 10 publications

(4 citation statements)

References 4 publications

(4 reference statements)

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“…Ricinulei (hooded tickspiders) are a small order of arachnids, comprising 3 genera with 55 described species [ 11 - 14 ]. They are predatory animals that live in humid caves or leaf litter of tropical regions [ 15 - 17 ].…”

Section: Introductionmentioning

confidence: 99%

The complete mitochondrial genome of Pseudocellus pearsei (Chelicerata: Ricinulei) and a comparison of mitochondrial gene rearrangements in Arachnida

et al. 2007

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Background: Mitochondrial genomes are widely utilized for phylogenetic and population genetic analyses among animals. In addition to sequence data the mitochondrial gene order and RNA secondary structure data are used in phylogenetic analyses. Arachnid phylogeny is still highly debated and there is a lack of sufficient sequence data for many taxa. Ricinulei (hooded tickspiders) are a morphologically distinct clade of arachnids with uncertain phylogenetic affinities.

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Section: Introductionmentioning

confidence: 99%

The complete mitochondrial genome of Pseudocellus pearsei (Chelicerata: Ricinulei) and a comparison of mitochondrial gene rearrangements in Arachnida

et al. 2007

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“…Sixtyone Recent species are currently recognized-cf. the catalogue of Harvey (2003) plus subsequent descriptions including Pinto-da- Rocha and Bonaldo (2007) and Tourinho and Salette de Azevedo (2007)-as well as Wfteen Carboniferous fossil taxa (Selden 1992). Most cladistic studies (Weygoldt and Paulus 1979;Lindquist 1984;Shultz 1990;Wheeler and Hayashi 1998) have recovered ricinuleids together with the mites (Acari).…”

Section: Introductionmentioning

confidence: 99%

A fossil trigonotarbid arachnid with a ricinuleid-like pedipalpal claw

Dunlop

Kamenz

Talarico³

2009

Zoomorphology

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A fossil trigonotarbid (Arachnida: Trigonotarbida) assigned to Palaeocharinus sp. from the Early Devonian (c. 410 Ma) Rhynie cherts of Aberdeenshire, Scotland, UK is described, speciWcally for a previously unrecognised feature of the distal end of the pedipalp. This exhibits a small chela formed from a movable, unpaired apotele articulating against a slightly shorter, Wxed projection from the inferior surface of the tarsus. Among other arachnids, this morphology has only previously been observed in the rare and enigmatic Carboniferous-Recent taxon Ricinulei. This character oVers explicit support for a monophylum (Trigonotarbida + Ricinulei); a hypothesis previously based on opisthosomal characters which (if correct) would draw Ricinulei within the so-called Pantetrapulmonata clade (i.e. spiders and their closest relatives). Our data is not consistent with Ricinulei's traditional position as sister-group of mites (Acari) and is an example of how considering extinct taxa may help to resolve the position of a 'diYcult' living group.

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“…The arachnid order Ricinulei has been increasingly capturing attention of New World specialists, and over the last seven years several new species have been described: Cryptocellus (Bonaldo & Pinto-da-Rocha 2003;Botero-Trujillo & Perez 2008Pinto-da-Rocha & Bonaldo 2007;Platnick & Garcia 2008;Tourinho & Azevedo 2007); and advances undertaken in the fields of functional, structural biology, and genetics (Talarico et al 2005(Talarico et al , 2006.…”

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confidence: 99%

On the Cryptocellus peckorum and Cryptocellus adisi groups, and description of a new species of Cryptocellus from Brazil (Arachnida: Ricinulei)

Tourinho¹,

Saturnino²

2010

Journal of Arachnology

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A new species of Ricinulei of the genus Cryptocellus Westwood 1874 is described from the Madeira-Purus Interfluve, Amazonas, Brazil. It shares a set of apomorphies with Cryptocellus peckorum Platnick & Shadab 1977 and Cryptocellus tarsilae Pinto-da-Rocha & Bonaldo 2007, with which it forms an assemblage of related species herein named the peckorum group. A second group of species, the Cryptocellus adisi group, is formed by the following species:

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A new species of Cryptocellus (Arachnida, Ricinulei) from Oriental Amazonia

Cited by 10 publications

References 4 publications

The complete mitochondrial genome of Pseudocellus pearsei (Chelicerata: Ricinulei) and a comparison of mitochondrial gene rearrangements in Arachnida

The complete mitochondrial genome of Pseudocellus pearsei (Chelicerata: Ricinulei) and a comparison of mitochondrial gene rearrangements in Arachnida

A fossil trigonotarbid arachnid with a ricinuleid-like pedipalpal claw

On the Cryptocellus peckorum and Cryptocellus adisi groups, and description of a new species of Cryptocellus from Brazil (Arachnida: Ricinulei)

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