Harpactocarcinus dalmatius

Harpactocarcinus dalmatius; Temporal range: Bartonian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Family:	† Zanthopsidae
Genus:	† Harpactocarcinus
Species:	†H. dalmatius
Binomial name
	†Harpactocarcinus dalmatius; Schweitzer, Shirk, Ćosocić, Okan, Feldmann & Hoşgör, 2007

Last updated March 12, 2025

Harpactocarcinus dalmatius is an extinct species of crab in the family Zanthopsidae.^[1]^[2] It was first described in 2007 from a coastal exposure of foraminiferal limestone dating to the Bartonian Eocene on the island of Hvar in Croatia.^[1]

Description

Harpactocarcinus dalmatius has a subovate, finely punctate carapace which is approximately 0.7x as long as it is wide and features four frontal spines and thirteen small, anterolateral ones.^[1] It measures 5.30 cm (2.09 in) in width excluding spines and 3.71 cm (1.46 in) in length.^[1] It has very shallow orbits which – in conjunction with small ridges extending down its midline starting from the eleventh spine – distinguish it from other species of Harpactocarcinus .^[1] Like other species of Harpactocarcinus, it exhibits heterochely, having a larger right cheliped than its left.^[1]

References

1 2 3 4 5 6 Schweitzer, Carrie E.; Shirk, Aubrey M.; Ćosocić, Vlasta; Okan, Yavuz; Feldmann, Rodney M.; Hoşgör, Izzet (September 2007). "New species of Harpactocarcinus from the Tethyan Eocene and their paleoecological setting". Journal of Paleontology . 81 (5): 1091–1100. doi:10.1666/pleo05-155.1. JSTOR 4498861.
↑ De Grave, Sammy (3 January 2023). "Harpactocarcinus dalmatius Schweitzer, Shirk, Ćosocić, Okan, Feldmann & Hoşgör, 2007 †". WoRMS. World Register of Marine Species . Retrieved 11 March 2025.

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[Schweitzer_et_al._2007-1] 1 2 3 4 5 6 Schweitzer, Carrie E.; Shirk, Aubrey M.; Ćosocić, Vlasta; Okan, Yavuz; Feldmann, Rodney M.; Hoşgör, Izzet (September 2007). "New species of Harpactocarcinus from the Tethyan Eocene and their paleoecological setting". Journal of Paleontology . 81 (5): 1091–1100. doi:10.1666/pleo05-155.1. JSTOR 4498861.

[WoRMS-2] De Grave, Sammy (3 January 2023). "Harpactocarcinus dalmatius Schweitzer, Shirk, Ćosocić, Okan, Feldmann & Hoşgör, 2007 †". WoRMS. World Register of Marine Species . Retrieved 11 March 2025.

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