Wikimedi'Òc

Raymond 1920 f24.png - Qohelet12

Leg reconstruction of trilobites Ceraurus pleurexanthemus and Flexicalymene senaria.png - Qohelet12

Raymond 1920 f19.png - Qohelet12

Raymond 1920 Plate 11.png - Qohelet12

Raymond 1920 f29.png - Qohelet12

Ttrilobites thorax-segments (tergites).png - Antonov

Ann. Lyc. Nat. Hist. 11 155-162.djvu - Enomil

Ann. Lyc. Nat. Hist. 11 pl. 11.jpg - Enomil

Catalogue of casts of fossils BHL39944092.jpg - Fæ

Estonian Museum of Natural History Specimen No 171739 photo (g1 g1-465-2 1 jpg).jpg - LoodusmuuseumBot

Estonian Museum of Natural History Specimen No 171738 photo (g1 g1-465-1 1 jpg).jpg - LoodusmuuseumBot