Karstarma

Karstarma is a genus of karst-dwelling crabs formerly included in Sesarmoides.

Karstarma
Karstarma ultrapes
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Crustacea
Class:
Malacostraca
Order:
Decapoda
Infraorder:
Brachyura
Family:
Sesarmidae
Genus:
Karstarma

Davie & Ng, 2007
Type species
Karstarma boholano [1]
Ng, 2002
Synonyms [2]

Karstama Davie & Ng, 2007

Description

Karstarma is distinguished from the closely related Sesarmoides by the lack of a stridulatory structure on the cheliped which is present in the latter genus.[3]

Ecology & biogeography

All species in the genus Karstarma are typically found in anchialine pools[3] across the Indo-Pacific.[2]

Taxonomy

The genus name Karstarma is derived from the word karst, in arbitrary combination with the genus name Sesarma.[3] It has been frequently misspelt Karstama, including in the original description.[2]

In the original description of the genus, 12 species were included.[3] Three species have since been added.[2][4] A new species, K. vulcan, was also described from Réunion in 2018; this species is unique from all others as it is found in the western Indian Ocean rather than the eastern Indian or Pacific Oceans.

  • Karstarma ardea Wowor & Ng, 2009
  • Karstarma balicum (Ng, 2002)
  • Karstarma boholano (Ng, 2002)
  • Karstarma cerberus (Holthuis, 1946)
  • Karstarma emdi (Ng & Whitten, 1995)
  • Karstarma guamense (Ng, 2002)
  • Karstarma jacksoni (Balss, 1934)
  • Karstarma jacobsoni (Ihle, 1912)
  • Karstarma loyalty (Ng, 2002)
  • Karstarma microphthalmus (Naruse & Ng, 2007)
  • Karstarma novabritannia (Ng, 1988)
  • Karstarma philippinarum Husana et al., 2010
  • Karstarma sulu (Ng, 2002)
  • Karstarma ultrapes (Ng, Guinot & Iliffe, 1994)
  • Karstarma waigeo Wowor & Ng, 2009
  • Karstarma vulcan Poupin, Crestey & Le Guelte, 2018

References
  1. Peter K. L. Ng; Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. Archived from the original (PDF) on 2011-06-06.
  2. Daisy Wowor & Peter K. L. Ng (2009). "Two new species of sesarmid crabs (Crustacea: Decapoda: Brachyura) associated with limestone formations in West Papua, Indonesia" (PDF). Zootaxa. 2025: 21–31. doi:10.11646/zootaxa.2025.1.2. S2CID 86252248.
  3. Peter J. F. Davie & Peter K. L. Ng (2007). "A new genus for cave-dwelling crabs previously assigned to Sesarmoides (Crustacea: Decapoda: Brachyura: Sesarmidae)" (PDF). Raffles Bulletin of Zoology. Suupl. 16: 227–231.
  4. Daniel Edison M. Husana; Tohru Naruse & Tomoki Kase (2010). "A new species of the genus Karstarma (Crustacea: Decapoda: Brachyura: Sesarmidae) from anchialine caves in the Philippines" (PDF). Raffles Bulletin of Zoology. 58 (1): 51–55.
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