User:Abyssal/Prehistory of North America/DYK/15

... that the ichnogenus Chondrites (pictured) can be used as an indicator of anoxia in sediments?
... that Kendallina, a genus of trilobite, lived in North America during the Upper Cambrian?
... that the recently named trematopid temnospondyl Fedexia was named after the shipping service FedEx, which owned the land where the holotype specimen was found?
... that the extinct Eocene maple species Acer rousei is a possible ancestor to the vine maple?
...that Madison Limestone, a layer of mostly carbonate rocks formed in the Mississippian period, serves as an aquifer and an oil reservoir in the Rocky Mountains and Great Plains areas?

... that the "Bottoms" of Milford, Ohio, contain a Woodland period archaeological site?
... that the extinct Neocorynura electra, found in Dominican amber, is the only known species of Neocorynura "sweat bee" from the Greater Antilles?
... that the Ka'Kabish archaeological site in Belize has revealed evidence of a Mayan city?
... that the extinct ants Azteca alpha carried larvae of the nematode Formicodiplogaster myrmenema?
... that the pattern of the veins on fossil leaves of the extinct golden-club Orontium wolfei confirm it as a member of the arum family?