Keywords: Fossil vegetable Phytolithus Derbyshire.png s of petrifactions By William Martin - Fossil - PHYTOLITHUS sulcatus Graminis trunci cylindrici simplicis articulis longitudinaliter sulcatis S t 1809 image request<br>http //books google co uk/books id 5EIAAAAAQAAJ ots 5020cBeiDI dq petrificata 20derbiensia pg PR81 v onepage q f false Plate 8 books google co uk William Martin other versions File Fossil vegetable Phytolithus Derbyshire jpg PD-old-100 Collections of Derby Museum and Art Gallery William Martin naturalist Illustrations of fossils Calamites Uploaded with UploadWizard |