▁birth s ▁Category : 1 9 8 7 ▁death s ▁Category : Pe ople ▁from ▁D h aka ▁Category : B ang l ades hi ▁male ▁mus icians ▁Category : 2 0 th - century ▁sing ers ▁Category : Place ▁of ▁death ▁missing ▁Category : B ang l ades hi ▁guitar ists ▁Category : 2 0 th - century ▁guitar ists ▁Category : 2 0 th - century ▁male ▁mus icians <0x0A> </s> ▁Rot ary us ▁is ▁an ▁ext inct ▁genus ▁of ▁Early ▁Perm ian ▁trem at op id ▁diss or op ho id ▁tem nos pond yl ▁known ▁from ▁the ▁Free ▁State ▁of ▁Th uring ia ▁of ▁central ▁Germany . ▁ ▁Disc overy ▁Rot ary us ▁is ▁known ▁only ▁from ▁the ▁hol ot ype ▁M NG   1 0 1 8 2 , ▁art ic ulated ▁partial ▁well - pres erved ▁sk ull ▁and ▁both ▁mand ibles ▁and ▁a ▁closely ▁associated ▁partial ▁post c ran ial ▁ske leton . ▁The ▁post c ran ial ▁ske leton ▁includes ▁several ▁art ic ulated ▁neural ▁arch es ▁with ▁rib s , ▁most ▁of ▁the ▁left ▁shoulder ▁g ird le , ▁hum eri , ▁right ▁radius ▁and ▁ul na , ▁and ▁a ▁fem ur . ▁It ▁was ▁collected ▁from ▁the ▁upp erm ost ▁part ▁of ▁the ▁Tamb ach ▁Form ation , ▁d ating ▁to ▁the ▁Art in sk ian ▁stage ▁of ▁the ▁Late ▁C is ural ian ▁Series ▁( or ▁altern atively ▁upper ▁Rot lie g end ), ▁about ▁ 2 8 4 - 2 7