Macrophthalmus convexus, Stimpson, 1858

Murniati, Dewi Citra, Asakura, Akira, Nugroho, Dharma Arif, Hernawan, Udhi Eko & Dharmawan, Wayan Eka, 2022, On a collection of thoracotreme crabs (Crustacea: Brachyura: Ocypodidae, Macrophthalmidae, Dotillidae) from two offshore islands of Papua, eastern Indonesia, with descriptions of two new species, Raffles Bulletin of Zoology 70, pp. 461-491 : 481

publication ID

https://doi.org/ 10.26107/RBZ-2022-0026

publication LSID

lsid:zoobank.org:pub:2E07F63A-50B5-42CE-98FA-027B0BF38756

DOI

https://doi.org/10.5281/zenodo.7399914

persistent identifier

https://treatment.plazi.org/id/03B087C6-4E59-FF93-60A7-21E04F4BFA4A

treatment provided by

Felipe

scientific name

Macrophthalmus convexus
status

 

Key to the species of the Macrophthalmus convexus View in CoL group (adapted from Barnes, 2010; Davie, 2012; Shih et al., 2015)

1. Chelae large and elongate, with clearly differentiated teeth on cutting margins of fingers .......................................................2

– Chelae small and feeble (as in those in female Macrophthalmus View in CoL ), with poorly differentiated or no teeth on cutting margins of fingers ......................................................................................3

2. Lateral margin of carapace with three anterolateral teeth (including external orbital angle); G1 with apical portion not truncated, armed with one short, arched chitinous process; posterior margin of propyloric ossicle of median tooth plate with wide and nearly flat shape, lateral tooth plate with 13–14 teeth, anterior tooth short and stout............. M. (M.) convexus View in CoL

– Lateral margin of carapace with two anterolateral teeth (including external orbital angle); G1 with apical portion truncated, armed with C-shaped chitinous process; posterior margin of propyloric ossicle of median tooth plate with narrow and acute shape, lateral tooth plate with 15–16 teeth, anterior tooth short and slender......... M. (M.) manggala View in CoL , new species

3. Fixed finger of male with long, low tooth along proximal half of cutting margin; apical portion of G1 not truncated, armed with one pointed chitinous process ......... M. (M.) parvimanus View in CoL

– Fixed finger of male with small, distinct quadrangular tooth on median of cutting margin; apical portion of G1 truncated, without chitinous process........................ M. (M.) consobrinus View in CoL

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