TABLE 1 in Black Corals (Anthozoa: Antipatharia) from the Southwestern Atlantic

TABLE 1. Comparison between species of the genus Trissopathes Opresko, 2003. Character/ SpeciesSpeciesT. tristichaT. tetracradaT. pseudotristichaTrissopathes sp.T. cf. tristichaLength of posterolateral pinnules1–1.5 cm0.5–1 cm1–2.6 cm0.7–2.2 cm, usually up to 1.3 cm0.7–1 cm, but up to 2 cmLength of anterior pinnulesUsually 0.5 cm, sometimes up to 1 cmEqual to or slightly smaller than posterior-laterals0.5–1 cm0.5–1.5 cm0.3–0.7 cm, but up 1 cmBasal diameter of subpinnules0.3 mm0.15–0.2 mm0.15 mm0.17–0.4 mmUp to 0.5 mmSubpinnulestwo or more pairs per anterior pinnuleusually one (sometimes two) per anterior pinnuleusually 1 pair (sometimes only one) per anterior pinnule2 to 6 per anterior pinnule2 to 6 per anterior pinnuleDistance between pinnules in the same row?2–5 mm (mostly 3–4 mm)3–4 mm1.5–4 mm1.5–4 mmN° of pinnules per cm10–141412–1412–1510–15, but up to 18 in MNRJ 8581Length of spinesup to 0.28 mm0.08–0.12 mm0.05–0.13 mm0.017–0.05 mm0.05–0.15 mm