# Sinocallipus

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Genus of millipedes

Sinocallipus Head and anterior segments of Sinocallipus deharvengi Scientific classification Kingdom: Animalia Phylum: Arthropoda Subphylum: Myriapoda Class: Diplopoda Order: Callipodida Suborder: Sinocallipodidea Shear, 2000 Family: Sinocallipodidae Zhang, 1993 Genus: Sinocallipus Zhang, 1993 Type species Sinocallipus simplipodicus Zhang, 1993 Species See text Distribution of Sinocallipus species (click to view legend)

***Sinocallipus*** is a [genus](/source/Genus) of predominantly cave-dwelling [millipedes](/source/Millipede) in the [order](/source/Order_(biology)) [Callipodida](/source/Callipodida). Five of the six known species are found in limestone caves on the [Indochinese Peninsula](/source/Indochinese_Peninsula) from Vietnam to southern China, and it is the only callipodidan genus entirely confined to the [tropics](/source/Tropics).[1] Individuals range from 40–70 mm (1.6–2.8 in) long and possess 55 to 70 segments. *Sinocallipus* is the sole taxon of the callipodidan suborder **Sinocallipodidea**, and thought to be the most primitive and [sister group](/source/Sister_group) to all other callipodidans.[1] In contrast to many other millipede groups, the [gonopods](/source/Gonopod) (reproductive legs) of *Sinocallipus* show little variation between species, while other characters such as color, size, and other body parts differ more noticeably between species.[1]

## Species

All species except *S. thai* have been collected solely from caves, and show [troglomorphic](/source/Troglomorphic) (cave-adapted) traits such as pale coloration, long antennae, and long legs. *S. jaegeri* and *S. simplipodicus* show reduced eyes, consisting of only 10 to 16 colorless [ocelli](/source/Simple_eyes_in_arthropods) each, while the other species have 33 to 50 black ocelli. *S. thai* is unique for its dark coloration and terrestrial habitat, and correspondingly has the most ocelli and shortest antennae.[1][2]

Species Distribution Notes Image Sinocallipus catba Stoev & Enghoff, 2011 Vietnam, Hai Phong Province Pale yellow body with light brown antennae. Sinocallipus deharvengi Stoev & Enghoff, 2011 Vietnam, Quảng Bình Province Very long antennae reach past 10th body segment Sinocallipus jaegeri Stoev & Enghoff, 2011 Laos, Khammouane Province Eyes inconspicuous and transparent Sinocallipus simplipodicus Zhang, 1993 China, Yunnan Province Reduced eyes Sinocallipus steineri Stoev & Enghoff, 2011 Laos, Luang Prabang Province Sinocallipus thai Stoev, Enghoff, Panha & Fuangarworn, 2007 Thailand, Saraburi Province Dark brown body with contrasting white anterior segments and antenna tips

## See also

- [Troglofauna](/source/Troglofauna)

- [List of troglobites](/source/List_of_troglobites)

## References

1. ^ [***a***](#cite_ref-StoevEnghoff2011_1-0) [***b***](#cite_ref-StoevEnghoff2011_1-1) [***c***](#cite_ref-StoevEnghoff2011_1-2) [***d***](#cite_ref-StoevEnghoff2011_1-3) Stoev, Pavel; Enghoff, Henrik (2011). ["A review of the millipede genus *Sinocallipus* Zhang, 1993 (Diplopoda: Callipodida: Sinocallipodidae), with notes on gonopods monotony vs. peripheral diversity in millipedes"](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084490). *ZooKeys* (90): 13–34. [doi](/source/Doi_(identifier)):[10.3897/zookeys.90.1291](https://doi.org/10.3897%2Fzookeys.90.1291). [PMC](/source/PMC_(identifier)) [3084490](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084490). [PMID](/source/PMID_(identifier)) [21594105](https://pubmed.ncbi.nlm.nih.gov/21594105).

1. **[^](#cite_ref-Pavel_et_al_2007_2-0)** Stoev, P.; Enghoff, H.; Panha, S; Fuangarworn, M (2007). ["A second species in the millipede suborder Sinocallipodidea Shear, 2000 (Diplopoda: Callipodida)"](http://www.mapress.com/zootaxa/2007f/zt01450p068.pdf) (PDF). *Zootaxa* (1450): 63–68.

## External links

- Media related to [Sinocallipus](https://commons.wikimedia.org/wiki/Category:Sinocallipus) at Wikimedia Commons

Taxon identifiers Sinocallipus Wikidata: Q4300831 Wikispecies: Sinocallipus CoL: 7PZTN GBIF: 1011882 Open Tree of Life: 3515864 Plazi: AB0287DE-3651-FF82-FF17-FDC5FCB7ECAF WoRMS: 892584 Sinocallipodidae Wikidata: Q18540713 Wikispecies: Sinocallipodidae CoL: 7NL2J GBIF: 3004 Open Tree of Life: 3515865 Plazi: AB0287DE-3651-FF82-FF17-FE65FC4CEFCF WoRMS: 888777 Sinocallipodidea Wikidata: Q21064962 Wikispecies: Sinocallipodidea CoL: 844HD WoRMS: 887933

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