Subject ASC00012ey

Keywords

fossils English species of Ptychodus English chalk Ptychodus English species geology

chart: {"keywords":["geology","Ptychodus","English","species"]}
species: {"common":[""],"scientific":["Ptychodus polygyrus","Ptychodus lattisimus","Ptychodus dixoni","Ptychodus mammillaris","Ptychodus rugosus","Ptychodus mortoni"]}

classification_count: 10
group_id: "GSC000000a"
id: "5dc446097716a10004001c58"
keywords: ["fossils","English species of Ptychodus","English chalk","Ptychodus","English","species","geology"]
page: "Page 272"
page_id: "39749114"
reduced: [{"type":"chart","coords":[0,0,37,290,664,637],"value":{"keywords":["geology","Ptychodus","English","species"]}},{"type":"species","coords":[235,795,0,0,0,0],"value":{"common":[""],"scientific":["Ptychodus polygyrus","Ptychodus lattisimus","Ptychodus dixoni","Ptychodus mammillaris","Ptychodus rugosus","Ptychodus mortoni"]}}]
scale: 0.3305785123966942
subject_id: "ASC00012ey"
volume: "v.67 (1911)"
year: "1845"