Cyclocaris Guilelmi Chevreux 1899

• Main Authors: Horton, Tammy, Thurston, Michael H.
• Format: Text
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Lysianassidae; Cyclocaris; Arctic; Arctic Ocean; Pacific; Chevreux; Thurston; Cyclocaris guilelmi
• Online Access: https://dx.doi.org/10.5281/zenodo.4915319; https://zenodo.org/record/4915319

Key to the species of Cyclocaris 1. Head without prominent eye lobe; single pair of eyes or eyes covering whole of head (may fade in alcohol)............... 2 - Head with distinct subtriangular eye lobe; two pairs of eyes present (may fade in alcohol)............................3 2. Eyes covering whole of head; Arctic Ocean, north-west Pacific Ocean, cold water species.............. Cyclocaris guilelmi - Large eye not covering whole of head; Pacific Ocean species................................... Cyclocaris tahitensis 3. Pereopods 5–7 merus expansion broad, (L/W ratios 1.6, 1.7, 2.2 for P5–7 respectively) (see Figure 10: P5–7); Pereopod 6 basis with bevel; basis broadly expanded, subquadrate (see Figure 10:P6)................................. Cyclocaris franki - Pereopods 5–7 merus expansion narrower, (L/W ratios 2.2, 2.8, 2.9 for P5–7) (see figure 6: P5–7); Pereopod 6 basis without bevel; basis expanded, oval (see Figure 6:P6)..................................................C yclocaris lowryi : Published as part of Horton, Tammy & Thurston, Michael H., 2014, A revision of the bathyal and abyssal necrophage genus Cyclocaris Stebbing, 1888 (Crustacea: Amphipoda: Cyclocaridae) with the addition of two new species from the Atlantic Ocean, pp. 507-527 in Zootaxa 3796 (3) on page 525, DOI: 10.11646/zootaxa.3796.3.6, http://zenodo.org/record/4915303