Sonniniidae Ammonitina, Middle Jurassic from Southern Spain: taxonomic, biostratigraphical and palaeobiogeographical analysis Author Sandoval, José text Geodiversitas 2022 2022-09-15 44 27 801 851 journal article 158824 10.5252/geodiversitas2022v44a27 835cc227-e5c4-4453-a956-07a154f8fa5f 1638-9395 7150329 urn:lsid:zoobank.org:pub:E4896081-9312-4EA6-AE33-AAC44201748E Subgenus Sonninia ( Papilliceras ) Buckman, 1913 [M] Sonninia ( Papilliceras ) Buckman, 1920 : pl. 150. Prepapillites Buckman, 1927 : pl. 709. — Type species: Ammonites arenatus Quenstedt, 1886 , in Quenstedt 1882 -1888: 482 , pl. 60, fig. 10 (OD). TYPE SPECIES . — Papilliceras papillatum Buckman, 1923 ( Buckman 1923 : T .A. 3, pl. 150 [OD]). DESCRIPTION Sonninia ( Papilliceras ) is strongly similar to S. ( Sonninia ). The only appreciable generic difference is the presence of a row of lateral tubercles, one on each rib, persisting on the evolute compressed BC, even after the ribs have faded, or tubercles occur only on the BC. Some specimens have strigate ornament. DISTRIBUTION Lower Bajocian, Laeviuscula and Propinquans zones: Europe, Thailand , United States ( Alaska , Oregon ), Chile , Argentina and Peru . In the Subbetic domain, it is rare, occurring in the upper part of the Laeviuscula Zone of Sierra de Alta Coloma area (Jaén Province).