7 ▁birth s ▁Category : 2 0 1 8 ▁death s <0x0A> </s> ▁Pseud act in oc eras ▁is ▁an ▁ext inct ▁na util oid ▁ce phal op od ▁included ▁in ▁the ▁order ▁Pseud orth oc er ida ▁and ▁the ▁names ake ▁of ▁the ▁family ▁Pseud act in oc er at idae ▁( S weet , ▁ 1 9 6 4 ). ▁ ▁Description ▁Pseud act in oc ras ▁are ▁slightly ▁de pressed ▁long icon ic ▁c yr to con es ▁with ▁a ▁large ▁si ph un cle ▁located ▁between ▁the ▁center ▁and ▁vent ral ▁margin . ▁Early ▁si ph un cle ▁segments , ▁in ▁the ▁ju ven ile ▁ph rag mo con e ▁are ▁sub orth o cho antic ; ▁later ▁segments , ▁in ▁the ▁m ature ▁ph rag mo con e , ▁become ▁c yr to cho antic , ▁num mul oid al , ▁bro ader ▁than ▁long . ▁P ari etal ▁depos its ▁l ining ▁the ▁interior ▁of ▁the ▁si ph un cle ▁grow ▁more ▁prom in ently ▁forward ▁than ▁back ward , ▁with ▁can als ▁slightly ▁anterior ▁of ▁segment ▁cent ers . ▁Th ick ▁cam eral ▁depos its ▁develop ▁vent r ally , ▁but ▁are ▁only ▁thin ▁d ors ally ▁( S weet , ▁ 1 9 6 4 ). ▁ ▁Tax onomy ▁Pseud act in oc eras ▁was ▁named ▁by ▁Sch inde w olf ▁in ▁ 1 9 4 3 ▁( S weet , ▁ 1 9 6 4 ) ▁and ▁is ▁the ▁type ▁genus ▁of ▁the ▁pseud