FIGURE 13 in An integrative study of Callicarpa gracilis Fewkes, 1881 and Aglaophenia trifida L. Agassiz, 1862, with notes on some hydroids (Cnidaria: Hydrozoa) from French Guiana

FIGURE 13. SEM photomicrographs of the male corbula of Aglaophenia trifida L. Agassiz, 1862. A. General view. B. Distal portion. C–F. Details of the ribs in different views at various magnifications. All from sample MNHN-IK-2015-627. Scale bars: C–F = 200 µm; B = 500 µm; A = 1 mm.Published as part of Galea, Horia R., Di Camillo, Cristina G. & Maggioni, Davide, 2021, An integrative study of Callicarpa gracilis Fewkes, 1881 and Aglaophenia trifida L. Agassiz, 1862, with notes on some hydroids (Cnidaria: Hydrozoa) from French Guiana, pp. 301-341 in Zootaxa 4926 (3) on page 320, DOI: 10.11646/zootaxa.4926.3.1, http://zenodo.org/record/452921