Glomeridesmida
Termitodesmus ceylonicus
Glomeridesmus trinidadensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Myriapoda
Class: Diplopoda
Subclass: Chilognatha
Infraclass: Pentazonia
Superorder: Limacomorpha
Pocock, 1894 
Order: Glomeridesmida
Cook, 1895 
Families

Glomeridesmida is an order of millipedes in the infraclass Pentazonia containing 2 families and at least 31 species.[1] Glomeridesmida is the only living order of the superorder Limacomorpha. Also known as slug millipedes,[2] glomeridesmidans are small (less than 15 mm (0.59 in)) and somewhat flattened, and unlike other orders of Pentazonia, are unable to roll into a ball.[3] Ocelli (eyes) are absent.[4]

Most adult females in this order have 36 pairs of legs and 21 segments, counting 20 tergites plus the anal shield.[5] Male specimens in this order are rare, unknown for all species in the family Termitodesmidae, and known for only a small number of species in the family Glomeridesmidae.[4] Descriptions of mature males in at least four species (Glomeridesmus spelaeus, G. siamensis, G. arcostriatus, and G. marmoreus) report 35 leg pairs, including a pair of telopods, and 20 segments, one fewer than the 21 segments found in adult females.[4][6][7][8] The description of an adult male of another species (G. indus), however, reports 37 pairs of legs, including a pair of telopods, and the same 21 segments normally found in adult females.[9] Furthermore, the description of a species from another genus (Glomeridesmoides termitophilus) reports some deviations from the usual pattern, describing females with the usual 21 segments but only 35 leg pairs and two males with the same 21 segments (with 34 and 35 leg pairs, including a pair of telopods).[7] Millipedes in this order develop by hemianamorphosis, with leg and segment number decoupled such that individuals may reach the full complement of one before the other.[10][5]

Glomeridesmidans occur in the New World Tropics, Southeast Asia, India, and Oceania.[11] Two species are known cave-dwellers, and, like other troglomorphic animals are translucent from loss of pigment. The five known species of Termitodesmus (constituting the family Termitodesmidae) have a commensal relationship with termites.[4]

Classification

References

  1. ↑ Shear, W (2011). "Class Diplopoda de Blainville in Gervais, 1844" (PDF). In Zhang, Z.-Q. (ed.). Animal biodiversity : an outline of higher-level classification and survey of taxonomic richness. Vol. 3148. pp. 159–164. doi:10.11646/zootaxa.3148.1.32. {{cite book}}: |journal= ignored (help)
  2. ↑ "Slug Millipedes (Order Glomeridesmida)". iNaturalist. Retrieved 2023-03-07.
  3. ↑ Shelley, Rowland M. (1999). "Centipedes and Millipedes with Emphasis on North American Fauna". The Kansas School Naturalist. 45 (3): 1–16.
  4. 1 2 3 4 Iniesta, Luiz Felipe Moretti; Ferreira, Rodrigo Lopes; Wesener, Thomas (2012-11-15). "The first troglobitic Glomeridesmus from Brazil, and a template for a modern taxonomic description of Glomeridesmida (Diplopoda)" (PDF). Zootaxa. 3550 (1): 26–42. doi:10.11646/zootaxa.3550.1.2. ISSN 1175-5334.
  5. 1 2 Enghoff, Henrik; Golovatch, Sergei; Short, Megan; Stoev, Pavel; Wesener, Thomas (2015-01-01). "Diplopoda — taxonomic overview". Treatise on Zoology - Anatomy, Taxonomy, Biology. The Myriapoda, Volume 2: 363–453. doi:10.1163/9789004188273_017. ISBN 9789004188273.
  6. ↑ Wesener, Thomas; Wongthamwanich, Nattarin; Moritz, Leif (2021-03-16). "Description of the first species of Glomeridesmida from Thailand (Diplopoda, Glomeridesmida, Glomeridesmidae)". ZooKeys (1024): 137–156. doi:10.3897/zookeys.1024.63678. ISSN 1313-2970. PMC 7987703. PMID 33786005.
  7. 1 2 Mauriès, Jean-Paul (2019). "Les premiers Glomeridesmida découverts dans le département français de Guyane: nouvelles données sur leur ontogenèse et descriptions de nouveaux taxa: Glomeridesmoides n. g., et trois espèces nouvelles, dont une termitophile (Diplopoda, Glomeridesmida)" (PDF). Bulletin de la Société d'Histoire naturelle de Toulouse (in French). 155: 47–64.
  8. ↑ Mauriès, Jean-Paul (1980). "Diplopodes Chilognathes de la Guadeloupe et ses dépendances". Bulletin du Muséum national d'Histoire naturelle (in French). 4e série 2(A): 1059–1111 – via Biodiversity Heritage Library.
  9. ↑ Carl, J. (1942). "Contribution à la connaissance des Limacomorpha -- Essai de morphologie comparée". Revue suisse de Zoologie (in French). 49: 133–167 – via Biodiversity Heritage Library.
  10. ↑ Enghoff, Henrik; Dohle, Wolfgang; Blower, J. Gordon (1993). "Anamorphosis in Millipedes (Diplopoda) — The Present State of Knowledge with Some Developmental and Phylogenetic Considerations". Zoological Journal of the Linnean Society. 109 (2): 103–234. doi:10.1111/j.1096-3642.1993.tb00305.x.
  11. ↑ Shelley, Rowland M. (2011). "The Milliped order Glomeridesmida (Diplopoda: Pentazonia: Limacomorpha) in Oceania, the East Indies, and southeastern Asia; first records from Palau, the Philippines, Vanuatu, New Britain, the Island of New Guinea, Cambodia, Thailand, and Borneo and Sulawesi, Indonesia". Insecta Mundi. 196: 1–11.


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