Journal
ZOOTAXA
Volume -, Issue 3406, Pages 30-38Publisher
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.3406.1.2
Keywords
Gordionus lokaaus; Gordionus bilaus; hairworm; cloaca; postcloacal spines; biodiversity; DNA sequencing; morphology; taxonomy
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Funding
- National Science Foundation [DEB-0949951, DEB-0950066, DEB-0731350]
- National Institute of Health from the Institute Development Award Program of the National Center for Research Resources [1P20RR18754]
- Direct For Biological Sciences
- Division Of Environmental Biology [0949951] Funding Source: National Science Foundation
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The phylum Nematomorpha contains approximately 350 species in 19 extant genera. The genus Gordionus contains 56 species, four of which occur in the contiguous United States of America. Here we describe two new Gordionus species from the southern Rocky Mountains. Worms were collected at three sites in the Santa Fe National Forest in northern New Mexico in the southernmost tip of the Rocky Mountains. Sites consisted of first order streams above 3120m in aspen/pine woodland. Gordionus lokaaus n. sp. has flat, polygonal or roundish, areoles covering all parts of the body. The male cloacal opening is surrounded by broad bristles with stout apexes forming a unique tube-like opening. Adhesive warts are small and postcloacal spines are thin and triangular-shaped. Gordionus bilaus n. sp. also has flat polygonal or round shaped areoles, but has indistinct interareolar furrows making neighboring areoles appear fused. The male cloacal opening is surrounded by stout, finger-like bristles in 2-3 rows. Adhesive warts are larger and postcloacal spines are broad and mound-shaped. These species double the number known from the state of New Mexico and are the first gordiids described from the southern part of the Rocky Mountains.
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