ens ▁are ▁preserved ▁as ▁compression ▁foss ils ▁in ▁fin ely ▁l amin ated ▁s ilt st ones , ▁which ▁were ▁recovered ▁from ▁out cro ps ▁of ▁the ▁Nova ▁Ol inda ▁Member ▁of ▁the ▁Late ▁A pt ian ▁Cr ato ▁Form ation ▁in ▁N ort he astern ▁Brazil . ▁ ▁P . ▁rud g wick ensis ▁was ▁described ▁from ▁a ▁single ▁part ▁and ▁counter part ▁hol ot ype , ▁" B MB ▁ 0 2 5 0 0 5 , ▁- 6 " ▁that ▁is ▁part ▁of ▁the ▁Bo oth ▁Museum ▁of ▁Natural ▁History ▁in ▁Bright on ▁and ▁H ove , ▁England . ▁ ▁The ▁species ▁is ▁older ▁than ▁P . ▁inc erta , ▁having ▁been ▁recovered ▁from ▁Rud g wick ▁Br ick works ▁which ▁m ined ▁sed iments ▁of ▁the ▁Bar rem ian ▁Upper ▁We ald ▁Clay ▁Form ation . ▁ ▁A ▁single ▁wing ▁has ▁been ▁recovered ▁from ▁the ▁Y ix ian ▁Form ation ▁in ▁China ▁which ▁was ▁noted ▁as ▁probably ▁belonging ▁to ▁the ▁genus ▁by ▁Mak ark in ▁et ▁al ▁in ▁ 2 0 1 2 . ▁ ▁The ▁Brazil ian ▁foss ils ▁were ▁first ▁studied ▁by ▁the ▁pale o ent om olog ists ▁Vladimir ▁N . ▁Mak ark in ▁of ▁the ▁Far ▁Eastern ▁Branch ▁of ▁the ▁Russian ▁Academy ▁of ▁Sciences ▁and ▁Feder ica ▁Men on ▁from ▁the ▁University ▁of ▁Manchester ▁in ▁England . ▁ ▁Their ▁ 2 0 0 7 ▁type ▁description ▁of ▁the ▁new ▁genus ▁and ▁species ▁was ▁published ▁in ▁the ▁journal ▁C ret ace ous ▁Research . ▁ ▁The