Update and observations on the extraction of ostracods (Crustacea) from the Permian hard carbonate rocks of Iran Author Hemmati, Soheil Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad (Iran) and Département Origines et Évolution, CR 2 P UMR 7207 (MNHN, CNRS, Sorbonne Université), Muséum national d’Histoire naturelle, 57 rue Cuvier, 75231 Paris cedex 05 (France) soheil. hemmati @ mail. um. ac. ir soheil. hemmati @ etu. sorbonne-universite. fr soheil.hemmati@mail.um.ac.ir Author Ghaderi, Abbas Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad (Iran) aghaderi @ um. ac. ir (corresponding author) aghaderi@um.ac.ir Author Crasquin, Sylvie Département Origines et Évolution, CR 2 P UMR 7207 (MNHN, CNRS, Sorbonne Université), Muséum national d’Histoire naturelle, 57 rue Cuvier, 75231 Paris cedex 05 (France) sylvie. crasquin @ mnhn. fr sylvie.crasquin@mnhn.fr Author Ashouri, Ali Reza Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad (Iran) ashouri @ um. ac. ir ashouri@um.ac.ir text Geodiversitas 2024 2024-03-28 46 5 119 133 https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a5.pdf journal article 10.5252/geodiversitas2024v46a5 1638-9395 10889617 urn:lsid:zoobank.org:pub:69FB1D60-D5CE-467A-9A4E-EFCF2A8367F5 Fabalicypris parva Wang, 1978 ( Fig. 5D1-D6 ) Fabalicypris parva Wang, 1978: 293 , pl. 2, figs 12a, b, 13a, b. — Crasquin-Soleau et al. 2004: 286 , pl. 3, figs 4-5. — Mette 2008 : pl. 2, fig. 8. — Crasquin et al. 2010: 353 , figs 9A’, B’. — Forel 2012 : fig. 11, I. Fabalicypris hungarica – Kozur1985b: 82 , pl. 2, figs 2, 9, 10. Bairdiacypris opulenta – Shi & Chen 1987: 51 , pl. 13, fig. 10. MATERIAL EXAMINED . — Eight complete carapaces, MNHN.F. F72171- F72175 , three specimens without barcode . OCCURRENCES . — Wuchiapingian and Changhsingian (Lopingian) Longtan and Changxing Formations, Guizhou and Yunnan Provinces, South China ( Wang 1978 ). Lopingian, Bükk Mountains, Hungary , Late Moscovian, Carboniferous, ( Kozur 1985b ). Lopingian, Changxing formation, Meishan section, Zhejiang Province , South China , Changhsingian, ( Shi & Chen 1987 ; Crasquin et al. 2010 ). Wuchiapingian and Changhsingian (Lopingian), Çürük dağ section, Western Taurus, Turkey , ( Crasquin-Soleau et al. 2004 ). Lopingian, Zal section, Iran , Changhsingian, ( Mette 2008 ). Lopingian- EarlyTriassic, Dajiang section in the southern Guizhou Province , South China , ( Forel 2012 ). Khachik Formation Unit VI (samples A. 176, A. 194, A. 204 and A. 210), Guadalupian, Ali-Bashi section, Iran (this study). DIMENSIONS . — L = 84.9-94.9 µm; H = 32.4-47.7 µm; H/L = 0.38-0.50. DESCRIPTION Carapace with sub-bean shape; surface smooth; LV slightly overlaps RV all around the carapace; end margins broadly rounded; DB, ADB, PDB straight at RV, arched at LV; overlap moderate; VB slightly concave. REMARKS Fabalicypris parva Wang, 1978 exhibits a bean-shaped carapace, and previous records indicate that it is present from the Late Moscovian (Carboniferous; Kozur 1985b ) to the Changhsingian (Lopingian; Wang 1978 ; Shi & Chen 1987 ; Crasquin-Soleau et al. 2004 ; Mette 2008 ; Crasquin et al. 2010 ). Despite this extensive stratigraphic range, some Carboniferous occurrences are doubtful, since most are from the Lopingian period. In the context of designating Fabalicypris hungarica Kozur, 1985b as a synonym of Fabalicypris parva Wang, 1978 , Crasquin et al. (2010) noted distinctions, such as Fabalicypris hungarica Kozur, 1985b displaying a more rounded PB and a higher location of maximum convexity compared to Fabalicypris parva (see more in Forel 2012 ).