Spicule Images: Drawings of spicules and of skeleton of specimens from Colombia. a) Spicules of material from Santa Marta, styles I (short), styles II (long), and oxea; b) spicules of material from Gulf of Urabá, styles I (short), styles II (long), and oxea; c) longitudinal section of a lamellae, with the surface on the left (from Zea, 1987, figure 69, as Teichaxinella burtoni).