Figure 9. Treadwellphysa villalobosi sp. nov. (a) Parapodium 3; (b) parapodium 14; (c) parapodium 42; (d) parapodium 104; (e) parapodium 209; (f) parapodium 394; (g) chaetiger 20, isodont pectinate narrow, with short and slender teeth; (h) chaetiger 249, isodont pectinate wide, with short and slender teeth; (i) chaetiger 249, anodont pectinate wide, with long and thick teeth; (j) chaetiger 17, compound falciger with short blade; (k) chaetiger 8, compound falciger with short blade; (l) chaetiger 10, compound falciger with long blade; (m) chaetiger 8, compound falciger with long blade; (n) chaetiger 249, compound falciger with short blade; (o) chaetiger 40, subacicular hook. a–f, k, m from holotype ECOSUR206; g, j, l from paratype ECOSUR207; h, i, n, o from paratype ECOSUR00000. Scale bars: a, f = 80 µm; b–e = 0.16 mm; g = 3.5 µm; h = 8.4 µm; i = 7.2 µm; j = 9.7 µm; k, m = 14 µm; l, n = 5.7 µm; o = 16 µm. All parapodia in anterior view.

Published as part of Molina-Acevedo, Isabel C., 2019, Redescription of two species previously regarded as Marphysa de Quatrefagesı 1865ı with the description of new species of Treadwellphysa Molina-Acevedo and Carrera-Parraı 2017, pp. 517-540 in Journal of Natural History 53 (9) on page 537, DOI: 10.1080/00222933.2019.1596328, http://zenodo.org/record/3675703