Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
58
393 Heads.
impressions
396 preserving the anterior end.
397 entire fusiform body.
398 flattened section showing indications of internal structure
400 impressions preserving portion of the crest
401 preserving the posterior spines form termination
403, 404 on one slab.
405 right valves.