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Megalothorax svalbardensis

Megalothorax svalbardensis

Schneider & D'Haese, 2013

GBIF:132786153

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Descriptions(3)

Description. Addendum to Schneider & D’Haese (2013). Total length of antenna ~ 77 µm; max width (Ant. III) ~ 19.4 µm; ratio width: length ~ 0.25; ratio length of Ant. I: Ant. II: Ant. III: Ant. IV = 0.2: 0.43: 0.56: 1. Correction from Schneider & D’Haese (2013): with only seven ordinary chaetae on Ant. III, with seven ordinary chaetae on Ant. IV (Fig. 15 F – G); a simple channel present on Th. II – Th. III sterna, not reaching the terga.
Schneider, Clément (2017): Morphological review of the order Neelipleona (Collembola) through the redescription of the type species of Acanthoneelidus, Neelides and Neelus. Zootaxa 4308 (1): 1-94, DOI: 10.11646/zootaxa.4308.1.1
Discussion. The antenna of M. svalbardensis is similar to the antenna of M. tatrensis in term of chaetotaxic pattern.
Schneider, Clément (2017): Morphological review of the order Neelipleona (Collembola) through the redescription of the type species of Acanthoneelidus, Neelides and Neelus. Zootaxa 4308 (1): 1-94, DOI: 10.11646/zootaxa.4308.1.1
Material examined. Holotype. ♀ on slide (MNHN-EA 040173), Spitsbergen, Svalbard, Pyramiden, Odindalen, 78 ° 39 ' 26 " N 16 ° 5 ' 41 " E, 14. vii. 2010, C. D’Haese leg., [MNHN]. Paratype. 3 ♀ on slides (MNHN-EA 040174 – 176), same data as the holotype, [MNHN], 1 spm on mount for SEM (MNHN-EA 041006), same data as the holotype, [MNHN].
Schneider, Clément (2017): Morphological review of the order Neelipleona (Collembola) through the redescription of the type species of Acanthoneelidus, Neelides and Neelus. Zootaxa 4308 (1): 1-94, DOI: 10.11646/zootaxa.4308.1.1

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CLASSIFICATION

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AnimaliaArthropodaEntognathaCollembolaNeelidaeMegalothoraxMegalothorax svalbardensis

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Media Files(1)

FIGURE 15. Antenna, genus Megalothorax. M. nigropunctatus (A) posterior side, (B) anterior side modified after Schneider & D'Haese (2013); M. perspicillum (C) posterior side, (D) anterior side modified after Schneider & D'Haese (2013), (E) dorsal side; M. svalbardensis (F) posterior side, (G) anterior side. Scale bar (E) = 10 µm.

Imageimage/png© Schneider, ClémentSchneider, Clément

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Source Information

Morphological review of the order Neelipleona (Collembola) through the redescription of the type species of Acanthoneelidus, Neelides and Neelus

checklist

This dataset contains the digitized treatments in Plazi based on the original journal article Schneider, Clément (2017): Morphological review of the order Neelipleona (Collembola) through the redescription of the type species of Acanthoneelidus, Neelides and Neelus. Zootaxa 4308 (1): 1-94, DOI: 10.11646/zootaxa.4308.1.1

Abstract

This work proposes a comprehensive review of the morphological features of the Neelipleona, with focus on chaetotaxy. The major contributions to the knowledge of Neelipleona are discussed and new data are presented, acquired from the redescription of Neelides folsomi, Acanthoneelidus pratensis and Neelus murinus. New elements of description are given for Neelus fimbriatus, Megalothorax granulosus, Megalothorax minimus, Megalothorax nigropunctatus, Megalothorax svalbardensis. Juvenile morphology is also taken in consideration with the description of the early instar of Neelides folsomi, Neelus murinus, Megalothorax minimus and Megalothorax nigropunctatus. A nomenclatural framework is proposed to illustrate the descriptions and the hypotheses of homology debated in the paper. Comparative tables are provided to summarize the morphological variations observed in the order. An identification key to the genera is also provided. A set of intriguing and unique characteristics of the Neelipleona were discovered or enlighten such as labral morphology, vibrating antennae in the genus Neelus, special chaetae associated to the secretion of wax rods and pattern of special τchaetae.

Key words: Neelides folsomi, Acanthoneelidus pratensis, Neelus murinus, Neelus fimbriatu s, Megalothorax minimus, Megalothorax nigropunctatus, Neelidae, morphology, chaetotaxy, identification key

Schneider C, plazi (2017). Morphological review of the order Neelipleona (Collembola) through the redescription of the type species of Acanthoneelidus, Neelides and Neelus. Plazi.org taxonomic treatments database. Checklist dataset https://doi.org/10.11646/zootaxa.4308.1.1 accessed via GBIF.org on 2026-06-15.

CC0Published 12/31/2017View dataset
GBIF Usage Key
132786153
Dataset Key
01ef7a56-a2ba-4493-9182-a0ca2f9a32d2
Origin
source
Backbone Key
8616369
Taxon ID
03A8760E7B1F4F7872BBFA32D3D170CE.taxon
Last Crawled
6/11/2026
Last Interpreted
6/11/2026
View on GBIFSource Reference