. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 12. Gennadas tinayrei a. Petasma. b. Thelycum. c. Apex of scaphocerite. d. Antennal and infra-antennal angles. e. Appendix masculina. Gennadas valens (Smith, 1884) Fig. 13 Amalopenaeus valens Smith, 1884: 402, pi. 10, fig. 2. Balss, 1927: 253, fig. 4. Gennadas valens: Bouvier, 1908: 34, pi. 1, fig. 3, pi. 9. Stephensen, 1923: 12. Burkenroad, 1936: 75> % 57- Barnard, 1950: 631, fig. 118k, 1. Description Antennal and infra-antennal angles acute. Spine on outer scaphocerite margin reaching sligh

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Fig. 12. Gennadas tinayrei a. Petasma. b. Thelycum. c. Apex of scaphocerite. d. Antennal and infra-antennal angles. e. Appendix masculina. Gennadas valens (Smith, 1884) Fig. 13 Amalopenaeus valens Smith, 1884: 402, pi. 10, fig. 2. Balss, 1927: 253, fig. 4. Gennadas valens: Bouvier, 1908: 34, pi. 1, fig. 3, pi. 9. Stephensen, 1923: 12. Burkenroad, 1936: 75> % 57- Barnard, 1950: 631, fig. 118k, 1. Description Antennal and infra-antennal angles acute. Spine on outer scaphocerite margin reaching slightly beyond apex of scale. Thelycum in female with almost circular shield on 8th thoracic sternite. 7th thoracic sternite with 2 anteriorly-directed triangular processes, anterior end of same sternite with semi-circular raised area. Seminal receptacles just posterior to similar raised area on 6th sternite. Coxa of 4th pereiopod with medially-directed lobe, bearing smaller tooth-like process on anterior margin. Petasma in male with external lobe bipartite, inner lobule smaller than outer. Median lobe consisting of 3 blunt sub-equal lobules. Internal lobe of 2 rounded hook-covered portions. Accessory lobe large, rounded.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. South African Museum. Cape Town : The Museum