Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
52
352, 353, 354 are on one slab.
segment and pygidium.
hypostoma, stabella, segment and free cheek.
free cheeks
Glubellae
Pygidia
(1) Pygidium (2) Glabella.