Table 2.

Comparative features of sclerites of Psammogorgia species in the tropical eastern Pacific Ocean according to an analysis of type material from museums (YPM, MCZ, MNHN) and taxonomic descriptions by Verrill (1868b, 1870), Bayer (1958), Breedy and Guzman (2014), and Breedy et al. (2020).

Species	Spindle length (mm)	Wart club length (mm)	Radiates length (mm)	Anthocodials length (mm)	Colour of coenenchymal sclerites	Colour of anthocodial sclerites
P.arbuscula (Verrill, 1866)	0.14–0.30	0.09–0.18	0.07–0.13	0.12–0.26	dark red, red, orange	red, orange
P.arbusculavar.dowii Verrill, 1868	0.14–0.21	0.11–0.18	0.13–0.15	0.12–0.20	dark red, red, orange	red, orange
P.arbusculavar.pallida Verrill, 1868	0.15–0.23	0.11–0.16	0.08–0.16	0.11–0.23	pale pink, colourless	orange red
P.fucosa Valenciennes, 1846	0.10–0.22	0.10–0.18	0.09–0.11	0.10–0.21	red, pink, colourless	red
P.gracilis Verrill, 1868	0.12–0.24	0.11–0.25	0.08–0.10	0.11–0.20	red, orange, yellow	orange, pale yellow
P.hookeri Breedy & Guzman, 2014	0.12–0.19	0.11–0.16	0.09–0.11	0.10–0.18	coral red, reddish	yellowish, pale pink
P.pax Breedy et al. 2020	0.21–0.24	0.13–0.33	not found	0.21–0.26	colourless	orange
P.teres Verrill, 1868	0.11–0.20	0.07–0.16	0.07–0.14	0.13–0.26	red, orange, colourless	pale yellow, colourless