New undescribed species record from GMx; JFPC 0002, 0003, 0004, 0005, 0006, 0007, 0008, 0009, examined by J. Pilger; from D. Felder sample sites NSF-II-031, II-051, II-071, II-078, II-096, II-099, II-101, and II-112; transparent bonellid echiurans with thin, delicate bifurcated proboscis (when intact); ventral setae absent; single, left nephridium with trumpet-shaped nephrostome; anal vesicles with brown filamentous tubes branching from thin, transparent sac.
Added keyword "endemic to Gulf of Mexico"
Pilger, J. F. 2009. Echiura of the Gulf of Mexico, Pp. 797–802 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
Harte Research Institute for Gulf of Mexico Studies. 2016. GulfBase: Resource Database for Gulf of Mexico Research, Education, and Management. Texas A&M University-Corpus Christi. World Wide Web electronic publication. http://www.gulfbase.org, 10-16-2019.