Thyraplax, Castro, 2007

Castro, Peter, 2007, A reappraisal of the family Goneplacidae MacLeay, 1838 (Crustacea, Decapoda, Brachyura) and revision of the subfamily Goneplacinae, with the description of 10 new genera and 18 new species, Zoosystema 29 (4), pp. 609-774 : 674

publication ID

https://doi.org/ 10.5281/zenodo.4525564

DOI

https://doi.org/10.5281/zenodo.4525413

persistent identifier

https://treatment.plazi.org/id/102B87CB-FFC3-2523-FE78-FF30FB89FD23

treatment provided by

Felipe

scientific name

Thyraplax
status

gen. nov.

KEY TO SPECIES OF THYRAPLAX View in CoL N. GEN.

1. Entire fingers dark in colour (see Fig. 24 View FIG ). P5 dactylus with denticulate margins (see Fig. 23B View FIG ) ......................................................................... Thyraplax digitodentata View in CoL n. sp.

— Fingers with only the tips dark in colour. P5 dactylus with smooth margins ............... 2

2. P5 propodus wide (see Fig. 21 View FIG ); low carina on each side ........... Thyraplax cristata View in CoL n. sp.

— P5 propodus narrow; smooth surfaces ........................................................................ 3

3. Anterolateral teeth slender; acute tip (see Figs 25A View FIG ; 26 View FIG ). G1 with broad, truncated tip (see Fig. 25C View FIG ) ................................................................................ Thyraplax truncata View in CoL n. sp.

— Anterolateral teeth prominent, triangular, broad; obtuse tip. G1 with slender, pointed tip .............................................................................................................................. 4

4. Anterolateral borders with slight carina (see Fig. 13C View FIG ), sometimes marked by median notch. Male telson of large individuals with broad, posterior tooth-like tubercle on each side .................................................................................................. Thyraplax crosnieri View in CoL

— Anterolateral borders with slight, tooth-like prominence (see Guinot 1989: fig. 42, pl. 11, fig. G, as Carcinoplax cooki ). Male telson without lateral tooth-like tubercles ................. ............................................................................................................. Thyraplax cooki View in CoL

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