Paratirolites Stoyanow, 1910

Korn, Dieter, Hairapetian, Vachik, Ghaderi, Abbas, Leda, Lucyna, Schobben, Martin & Akbari, Amir, 2021, The Changhsingian (Late Permian) ammonoids from Baghuk Mountain (Central Iran), European Journal of Taxonomy 776, pp. 1-106 : 32-33

Genus Paratirolites Stoyanow, 1910

Type species

Paratirolites Kittli Stoyanow, 1910 , by original designation.

Included species

Paratirolites birunii Korn & Ghaderi, 2016 ; Paratirolites coronatus Korn & Ghaderi, 2016 ; Paratirolites kittli Stoyanow, 1910 ; Paratirolites multiconus Korn & Ghaderi in Korn et al., 2016; Paratirolites quadratus Korn & Ghaderi in Korn et al., 2016; Paratirolites serus Korn & Ghaderi in Korn et al., 2016; Paratirolites trapezoidalis Shevyrev, 1965 ; Paratirolites vediensis Shevyrev, 1965 ; Stephanites (?) Waageni Stoyanow, 1910; Azerbaijan (synonym of Paratirolites kittli Stoyanow, 1910 ); Paratirolites rubens Korn & Hairapetian sp. nov.; Paratirolites lanceolobatus Korn & Hairapetian sp. nov.; Paratirolites robustus Korn & Hairapetian sp. nov.; Paratirolites baghukensis Korn & Hairapetian sp. nov.; Paratirolites aduncus Korn & Hairapetian sp. nov.

Diagnosis

Representatives of the family Dzhulfitidae with moderately large to very large conch; maximum adult diameters between 60 and 250 mm. Adult stage with trapezoidal whorl profile. Subadult stage with large conical ventrolateral nodes; adult stage with significantly weakening sculpture. Suture line with deep external lobe; depths of external lobe and adventive lobe are nearly identical.

Remarks

For a discussion of the genus, see Korn & Ghaderi in Korn et al. (2016).