Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
54
372 Distorted specimens in sandstone.
373 Segments of the siphuncle showing the argonaceous deposit
partially filling the air chambers.
375 Impression of the type specimen on the rock.
376, 377 on one slab.