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Fig. 2 | Swiss Journal of Palaeontology

Fig. 2

From: Revision of the genus Protadelomys, a middle Eocene theridomyoid rodent: evolutionary and biochronological implications

Fig. 2

Dental terminology (modified after Vianey-Liaud & Marivaux, 2021). A Upper molars: Al, name of flexi. 1, anteroflexus; 2, mesoflexus; 3, posteroflexus; 4, antesinus; 5, sinus; 6, posterosinus. Main cusps colored in grey, conules and styles, in light purple. A2, crest and cusps. 1, anteroloph; 2, anterostyle; 3, parastyle; 4, preparacrista; 5, paracone; 6, postparacrista; 7, protoloph (buccal+ lingual); 8, paraconule; 9, preparaconule; 10, preprotocrista; 11, protocone; 12, protocrista; 13, postprotocrista; 14, endoloph; 15, prehypocrista; 16, hypocone; 17, post-hypocrista; 18, posterostyle; 19: posteroloph; 20: metastyle; 21, metacone; 22, buccal metalophule II; 23, buccal metalophule I; 24, metaconule; 25, three positions of the lingual metaloph; 26, premetacrista; 27, mesostyle; 28, ectocingulum; 29, mesoloph (buccal) ; 30, postmetacrista. B Lower molars. B1: Main cuspids colored in grey, conulids and stylids, in light purple, Names of flexids: I, anteroflexid; II + III, mesoflexid; IV, posteroflexid. 1, two positions of the anterolophulid; 2, anterocingulid; 3, antesinusid ; 4, protoconid spur; 5, premesoconid spur, or ridge or swelling; 6: postmesoconid spur, or ridge or swelling; 7, entoconulid; 8, extra-ridges; 9, sinusid. .B2, other crestids and cuspids. 1, anteroconid; 2, anterolophid; 3, premetacristid; 4, metaconid; 5, postmetacristid; 6, mesolophid (lingual +buccal); 7, mesostylid; 8, entoconid; 9, entolophid (lingual + buccal); 10, posterolophid; 11, hypoconulid; 12, post-hypocristid; 14, hypoconid; 15, mesoconid; 16, ectomesolophid; 17, ectocingulid, ectostylid; 18, ectolophid; 19, postprotocristid; 20, protoconid; 21, different paths of the buccal metalophulid: the most mesial and the medial one as buccal metalophulid I; 22, different paths of the lingual metalophulid I, and II for the most distal path; 23, path of the metalophulid II, with buccal part made with the postprotocristid.

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