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Fig. 3 | Swiss Journal of Palaeontology

Fig. 3

From: Caviomorph rodents from the Pampean region (Argentina) in the historical Santiago Roth Collection in Switzerland

Fig. 3

Cranial and mandibular remains of Dolichotis sp. (A PIMUZ/AV 4131; B PIMUZ/AV 4194). A1–A6 rostral region of the cranium, in dorsal (A1), ventral (A2), right lateral (A3), left lateral (A4), and caudal (A5) views. A6, occipital region of the cranium, in caudal view. A7–A9 right ear region, in lateral (A7), medial (A8), and rostral (A9) views. B1–B3 right dentary, in lateral (B1), medial (B2), and occlusal (B3) views (with the cheek teeth series in detail). Abbreviations: aa, anterior apex; al, anterior lobe; ap, anterior projection; ch, choana; cp, crista petrosa; crp, cribriform plate; cs, cerebellar surface; csq, crista squamosa; cts, cheek teeth alveolar series (P4-M3); eam, external acoustic meatus; ef, ethmoidal fossa; Ex, exoccipital; Fr, frontal; I, upper incisor; ias, incisive alveolar sheath; if, interprismatic furrow; ifo, incisive foramen; hc, horizontal crest; hy, hypoflexid; La, lacrimal; laf, lacrimal foramen; lp, lacrimal process; Na, nasal; nfs, nasofrontal suture; me, mastoid exposure; nmpi, notch for the insertion of the muscle masseter medialis pars infraorbitalis; Mx, maxilla; saf, subarcuate fossa; sf, stylomastoid foramen; sp, styliform process; oc, occipital condyle; pa, posterior apex; pfc, prefacial commissure; pl, posterior lobe; pms, premaxillo-maxillary suture; Pmx, premaxilla; pp, paroccipital process; ps, palatal sulcus; Sq, squamosal; tb, tympanic bulla (ectotympanic); vzr, ventral zygomatic root

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