![](https://nthumb.tpgimages.com/mid2_com_img/28103/24007/TOP22073289.jpg)
Annularia fossil from the Pennsylvanian Period in the Pennsylvania State Museum collection. Annularia is the scientific name for the leaf whorls of the horsetail genus Calamites.
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Details
Creative#:
TOP22073289
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
Same folder images:
fossilleafletswhorlrosettearborescentcoalfossilnorthamericanpennsylvaniafossilextinctplantprehistoricflorapaleontologypaleozoiceralatecarboniferouspennsylvanianperiodcalamitaceaeequisetalesequisetopsidaequisetophytapteridophytasphenophytefossilfossilizedleafplantfossilfossilleaffossilhorsetailcalamitesannularia
americanannulariaarborescentcalamitaceaecalamitescarboniferouscoalequisetalesequisetophytaequisetopsidaeraextinctflorafossilfossilfossilfossilfossilfossilfossilfossilizedhorsetaillateleafleafleafletsnorthpaleontologypaleozoicpennsylvaniapennsylvanianperiodplantplantprehistoricpteridophytarosettesphenophytewhorl