Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea) Author Ng, Peter K. L. Author Castro, Peter text Zootaxa 2016 4209 1 1 182 journal article 37321 10.11646/zootaxa.4209.1.1 2de5b7bf-3975-458a-b200-07ec69f4e013 1175-5326 272646 849BAB5C-464A-4B4A-A586-5742411EDC01

TABLE 2. Comparison of characters of Hephthopelta s. str. and five new genera described for species previously included in Hephthopelta s. lato.

Character Carapace shape	Hephthopelta s. str. Subtrapezoidal; slightly wider than long; strongly globose (e.g., Figs. 10A; 24A)	Angustopelta n. gen. Subtrapezoidal; wider than long; dorsal surface gently convex (e.g., Figs. 12A; 24E)	Chinommatia n. gen. Subtrapezoidal to subovate; wider than long; dorsal surfaces gently convex (e.g., Figs. 14B; 25B)	Notopelta n. gen. Subtrapezoidal; distinctly wider than long; dorsal surfaces gently convex (Figs. 15G; 25G)	Statommatia n. gen. Subtrapezoidal to subovate; distinctly wider than long; dorsal surfaces gently convex (e.g., Figs. 16A; 26A)	Tenagopelta n. gen. Subtrapezoidal; slightly wider than long; globose (e.g., Figs. 17A; 26H)
Anterolateral margins	With small tubercle or entire (e.g., Fig. 10A, C)	With sharp tubercle or tooth, or entire (e.g., Fig. 11A, E)	Usually entire, occasionally with low tooth or granule (e.g., Figs. 14E, F; 15F)	With straight, granular, submarginal crest (Fig. 15G, H)	Entire, never armed, sometimes granular (e.g., Fig. 16A)	With low tubercle or entire (e.g., Fig.17A, D)
Eye peduncles	Distinctly short, gently tapering to cornea; immobile (e.g., Fig. 24A)	Short, gently tapering to cornea; immobile (e.g., Fig. 24E)	Short to long, gently tapering to cornea; mobile (e.g., Fig. 25B, F)	Short, median part of peduncle distinctly constricted, dorso-ventrally flattened, appearing reniform; mobile (Fig. 25G)	Short, gently tapering to cornea; immobile (e.g., Fig. 26B)	Distinctly short, gently tapering to cornea; mobile (e.g., Fig. 26H)
Posterior margin of epistome	Median lobe distinctly broad (e.g., Fig. 24B)	Median lobe broad (e.g., Fig. 24D)	Median lobe broad to narrow (e.g., Fig. 25A, D)	Median lobe narrow (Fig. 25G)	Median lobe broad to narrow (e.g., Fig. 26B, D)	Median lobe broad (e.g., Fig. 26G)
Third maxillipeds	Ischium ovate, elongated; merus subquadrate to elongated (e.g., Fig. 31A–C)	Ischium quadrate to rectangular; merus rounded to quadrate (e.g., Fig. 31D–I)	Ischium rectangular; merus ovate (e.g., Fig. 32A–E)	Ischium rectangular; merus ovate (Fig. 32F)	Ischium rectangular to quadrate; merus ovate to quadrate (e.g., Fig. 33A–F)	Ischium rectangular; merus quadrate (e.g., Fig. 33G–I)
Ventral surface of cheliped merus	Outer margin with 3 or 4 long sharp teeth; inner margin unarmed (Fig. 42G)	Outer margin with 3 or 4 sharp teeth; inner margin with strong distal tooth (Fig. 42H)	Outer margin with 4 or more sharp tubercles or dentiform granules, sometimes low; inner margin unarmed (Fig. 42J, K)	Outer margin with row of sharp tubercles; inner margin unarmed (Fig. 42L)	Outer margin granuliform to dentiform with more than 4 sharp tubercles; inner margin unarmed (Fig. 42M, N)	Outer margin with 3 or 4 sharp teeth; inner margin unarmed (Fig. 42I)
Inner margin of cheliped carpus	Distal angle with long distal tooth (e.g., Fig. 10D, I); proximal part rounded (e.g., Fig. 10F) to dentiform (e.g., Fig. 10I)	Distal angle with long tooth (e.g., Fig. 11E); proximal part rounded (e.g., Fig.11E) to slightly angular (e.g., Fig. 11C)	Distal angle with short tooth (e.g., Fig. 14A, B, E); proximal part rounded (e.g., Fig. 14A, E)	Distal angle with short tooth (Fig. 15G); proximal part rounded (Fig. 15G)	Distal angle with short tooth (e.g., Fig. 16A, B); proximal part rounded (e.g., Fig. 16A, E)	Distal angle with long tooth (e.g., Fig. 17A, B); short proximal part angular (e.g., Fig. 17B) or prominently dentiform (e.g., Fig. 17A, C)