New species of Temnocephala (Platyhelminthes, Temnocephalidae) ectosymbiont on decapod crustaceans Aegla jarai (Aeglidae) from Brazil and Samastacus spinifrons (Parastacidae) from Chile Author Seixas, Samantha A. 0000-0002-9575-6032 seixas. sa @ gmail. com; https: // orcid. org / 0000 - 0002 - 9575 - 6032 seixas.sa@gmail.com Author Amato, Suzana B. 0000-0002-6062-518X Retired from Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brasil. suzanabamato @ gmail. com; https: // orcid. org / 0000 - 0002 - 6062 - 518 X suzanabamato@gmail.com Author Amato, José F. R. Author Damborenea, Cristina 0000-0002-6411-1282 cdambor @ fcnym. unlp. edu. ar; https: // orcid. org / 0000 - 0002 - 6411 - 1282 cdambor@fcnym.unlp.edu.ar text Zootaxa 2022 2022-11-15 5209 1 139 150 journal article 188512 10.11646/zootaxa.5209.1.8 08bb7931-57b9-40b1-b974-b8027da76a1e 1175-5326 7322636 98ACEB95-636F-4836-80FA-496C503686FB

TABLE 1. Comparative data of Temnocephala catarinensis nov. sp. from Aegla jarai and Samastacus spinifrons (based on 20 specimens collected). Measurements are in micrometers.

Characters	Aegla jarai	Samastacus spinifrons
	Range (mean ± SD; n)	Range (mean ± SD; n)
Total body length without tentacles	980–1817 (1408 ± 258; 11)	1370–2140 (1634 ± 226; 9)
Total body width	820–1350 (1040 ± 192; 11)	110–1880 (1402 ± 231; 9)
Cirrus total length	187.5–202.5 (195 ± 11; 2)	185–210 (200 ± 9; 9)
Shaft length	157.5–172.5 (165 ± 11; 2)	145–167.5 (158 ± 9; 9)
Shaft width at base	80–85 (82.5 ± 3; 2)	75–90 (81 ± 5; 8)
Introvert length	30 (n = 2)	37.5–47.5 (42 ± 3; 9)
Introvert width at base	15–22.5 (19 ± 5; 2)	15–20 (17.5 ± 1; 9)
Introvert width at inflation	20–25 (22.5 ± 3; 2)	20–25 (22 ± 2; 7)
Rows of spines	~ 22	~20
Spines per row	~ 10	~ 9
Spines length	3.8–4.8 (4 ± 0.4; 5)	4–5.7 (5 ± 0.8; 5)
Body length/Cirrus length	7:1	8:1
Cirrus length/ Introvert length	6:1	5:1
Left plate length	204 (n = 1)	167–275 (234 ± 39; 6)
Left plate width	200 (n = 1)	87.5–240 (201 ± 57; 6)
Right plate length	254 (n = 1)	160–355 (239 ± 61; 7)
Right plate width	154 (n = 1)	101–245 (196 ± 54; 6)
Body length/EPs length	6.9:1	6.9:1