1. Caspiomyzon wagneri (Kessler, 1870)

Common name. Caspian lamprey

Taxonomy. Original description: Petromyzon wagneri Kessler, 1870: 207, pl. 3 (figs. 4-5) [Volga River between Tver [Tvertsa] and Astrakhan, Russia, 46°21'N, 48°03'E; syntypes: (10) NMW 61053 (1), SMNS 2398 (1), ZIN 2407 (2)] .

Revisions. Berg (1948: 28).

Illustrations. Berg (1948: 29, figs. 10-12).

Distribution in Iran. —Distribution in River Basin: Caspian Sea.—Distribution in ecoregions: 434-Kura-South Caspian Drainages, 450-Turan Plain, 452-Caspian Marine.

Status in Iran. [Native].—Marmahi-ye dehangerd, Dahangerd-e daryaye Khazar.—Listed in previous checklists by Esmaeili et al. (2017 a, 2018); Jouladeh-Roudbar et al. (2020) and Eagderi et al. (2022).—Iran materials: ZM-CBSU.

Conservation. —IUCN: NT.

Gnathostomata

Elasmobranchii