▁Early ▁E oc ene , ▁with ▁the ▁sites ▁that ▁have ▁current ▁u ran ium - le ad ▁or ▁arg on – arg on ▁radi ometric ▁dates ▁being ▁of ▁Y pres ian ▁age , ▁while ▁the ▁und ated ▁sites ▁or ▁those ▁given ▁older ▁dates ▁being ▁possibly ▁slightly ▁younger ▁and ▁L ut et ian ▁in ▁age . ▁ ▁The ▁spec im ens ▁were ▁studied ▁by ▁pale ob ot an ists ▁Mel anie ▁De V ore , ▁W itt ▁Taylor , ▁and ▁Kath le en ▁P igg ▁with ▁the ▁type ▁description ▁for ▁N . ▁car l qu ist ii ▁being ▁published ▁in ▁a ▁ 2 0 1 5 ▁International ▁Journal ▁of ▁Plant ▁Sciences ▁article . ▁ ▁They ▁chose ▁the ▁specific ▁name ▁car l qu ist ii , ▁in ▁honor ▁of ▁Sher win ▁Carl qu ist ▁in ▁recognition ▁of ▁the ▁work ▁he ▁had ▁done ▁with ▁N ym pha e aceae ▁an atom y ▁and ▁with ▁plant ▁bi ology . ▁ ▁In ▁the ▁type ▁description , ▁the ▁species ▁name ▁was ▁applied ▁to ▁f ruits ▁and ▁se eds ▁specifically , ▁while ▁foss ils ▁of ▁associated ▁but ▁not ▁attached ▁te p als , ▁st ig m atic ▁dis ks ▁and ▁rh iz ome ▁sections ▁were ▁discussed ▁as ▁Nu ph ar ▁c f ▁car l qu ist ii . ▁ ▁One ▁of ▁the ▁rh iz ome ▁segments , ▁U W B M ▁ 5 7 2 2 5 A ▁showing ▁root ▁attachment ▁points , ▁had ▁previously ▁been ▁published ▁with ▁an ▁inform al ▁identification ▁as ▁ban ana ▁fruit ▁of ▁the ▁genus ▁En