Redescription and anatomical investigation of Schroederichthys maculatus Springer, 1966 and S. saurisqualus Soto, 2001 with comments on their systematics (Chondrichthyes: Carcharhiniformes: Atelomycteridae) Author Soares, Karla D. A. Universidade de São Paulo, Departamento de Zoologia, Instituto de Biociˆencias, Rua do Matão, Trav. 14, n 101, São Paulo, SP, CEP 05508 - 900, Brazil Author Zanini, Flávia Universidade Federal do Rio de Janeiro, Departamento de Zoologia, Instituto de Biologia, Av. Carlos Chagas Filho, 373, Centro de Ciências e Saúde, Bloco A, Rio de Janeiro, RJ, CEP 21941 - 902, Brazil text Zoologischer Anzeiger 2023 2023-01-31 302 224 238 http://dx.doi.org/10.1016/j.jcz.2022.12.003 journal article 304128 10.1016/j.jcz.2022.12.003 6b151d11-143c-45e5-ab71-e2696a3161df 1873-2674 10375904

Table 6 Measurements of tooth in percentages of crown height for specimens of Schroederichthys saurisqualus. Values referred to the male specimen are presented in parentheses.

Measurements	Schroederichthys saurisqualus
	S	ps	a	lp	c
Crown height (in millimeters)	0.6	0.58–0.62	0.81–1.02	0.60–0.77	0.36–0.49
	(0.5)	(0.68–0.74)	(0.89–1.06)	(0.74–0.82)	(0.62–0.65)
Basal crown width	80.7	81.0–122.6	87.7–100	102.7–112.2	169.4–222.2
	(66.7)	(67.6–81.1)	(74.2–114.2)	(149.4–156.7)	(177.4–187.7)
Mid-crown width	29.8	31.0–33.9	27.2–31.4	36.5–36.6	44.9–47.2
	(29.6)	(29.4–40.5)	(27.0–41.5)	(58.3–58.4)	(56.5–60.0)
Proximal cusplets height	43.9–63.2	69.0–71.0	60.5–63.7	47.3–75.6	75.0–87.8
	(77.8)	(55.9–56.8)	(57.3–60.4)	(65.0–72.7)	(74.2–81.5)
Marginal cusplets height	–	44.8–50.0	27.2–33.3	18.9–63.4	58.3–67.3
		()	()	(49.4–51.7)	(46.8–76.9)