cm0002 to Science@mander.xyzEnglish · 3 hours agoAn Ancient Sea Once Split North America Down the Middle. The Beautiful Multicolored Ammonite Shells From Its Waters Are So Perfectly Preserved That They Still Shimmer Todaywww.smithsonianmag.comexternal-linkmessage-square0fedilinkarrow-up118
arrow-up118external-linkAn Ancient Sea Once Split North America Down the Middle. The Beautiful Multicolored Ammonite Shells From Its Waters Are So Perfectly Preserved That They Still Shimmer Todaywww.smithsonianmag.comcm0002 to Science@mander.xyzEnglish · 3 hours agomessage-square0fedilink