List of material used for comparisons.

Condylura cristata. NHM-3.11.5, humerus and mandible. NHM-3.11.6, humerus and mandible. NHM-1.7.4, mandible. NHM-12.12.1, mandible. NHM-1.25.2, mandible. NHM-7.7.2659, mandible. NHM-7.7.132, mandible. NHM-7.7.2792, mandible. NHM-12.5.3, mandible. NHM-1.7.2, mandible. NHM-1.7.3, mandible. Natural History Museum NHM, London, UK. 62567, mandible. NHMW.

Condylura izabellae. MF/1007/01, humerus. ISEZ-PAN.

Condylura kowalskii. MF/1006/4, mandibular fragment bearing p1-p2. MF/1006/16, humerus. MF/1006/18, humerus. MF/1006/21, humerus. MF/1006/22, humerus. MF/1006/23, humerus. ISEZ-PAN.

Leptoscaptor bavaricum. P10-610.2, humerus. Ptb68_1962, humerus. Ptb68_1962b, humerus. Ptb68_1962c, humerus. NHMA.

Leptoscaptor robustior. P35-58.6, humerus. NHMA.

Scapanulus oweni. Drawings from Hutchinson, 1968; Storch and Qiu, 1983.

Mioscalops ripafodiator. UCMP-70140b, humerus. UCMP-V70140a, humerus. UCMP-V70140d, humerus. University of California Museum of Palaeontology, UCMP, Berkeley, California, USA.

Yanshuella primaeva. IVPP-6455, humerus. IVPP-6456, humerus. IVPP.

Yunoscaptor scalprum. IVPP-V-9741.38, humerus. IVPP.