A shore-based preliminary survey of marine ribbon worms (Nemertea) from the Caribbean coast of Colombia Author Gonzalez-Cueto, Jaime Author Quiroga, Sigmer Author Norenburg, Jon text ZooKeys 2014 439 83 108 http://dx.doi.org/10.3897/zookeys.439.5965 journal article http://dx.doi.org/10.3897/zookeys.439.5965 1313-2970-439-83 12DE8ECB196649A7B5DE89A54CE7F677 Taxon classification Animalia Heteronemertea Lineidae Micrura ignea Schwartz & Norenburg, 2005 Fig. 3 A-D Description. Two specimens up to about 100 mm long, 3 mm wide; dorsoventrally flattened; head "triangular" , pointed anteriorly and widening posteriorly; posterior end blunt with short and slender caudal cirrus. Orange grading posteriorly to yellowish. Deep cephalic furrows form lateral margins of head. Mouth slit-shaped, posterior to cephalic grooves. Eyespots lacking. Proboscis long, thick and pink; when everted it possesses ruffles. Distribution. Belize ( Schwartz and Norenburg 2005 ); Caribbean coast of Panama ( Collin et al. 2005 ); Santa Marta, Colombia.