▁B oca ▁Form ation ▁located ▁in ▁T ama ul ip as , ▁Mexico . ▁Only ▁the ▁lower ▁j aw ▁of ▁this ▁organ ism ▁has ▁been ▁discovered ▁and ▁studied . ▁It ▁is ▁possibly ▁the ▁only ▁species ▁of ▁rh yn cho ce phal ian ▁yet ▁discovered ▁to ▁show ▁evidence ▁of ▁ven om ▁delivery . ▁ ▁Et ym ology ▁S phen ovi per a ▁was ▁named ▁by ▁Reyn oso ▁in ▁ 2 0 0 5 . ▁The ▁name ▁all udes ▁to ▁s phen od ont ians ▁via ▁S ph eno - ▁and ▁- vi per a ▁is ▁Latin ▁for ▁" ven om ous ▁s nake ." ▁ ▁Ven om ▁delivery ▁The ▁mand ible ▁of ▁S phen ovi per a ▁j im mys jo yi ▁has ▁several ▁characteristics ▁indic ative ▁of ▁ven om ▁delivery . ▁This ▁includes ▁large ▁cur ved ▁f angs ▁with ▁gro ov es ▁seen ▁in ▁other ▁animals ▁that ▁use ▁low - press ure ▁ven om ▁delivery , ▁such ▁as ▁col ub rid ▁sn akes . ▁ ▁References ▁ ▁Category : S phen od ont ia ▁Category : J ur ass ic ▁re pt iles ▁of ▁North ▁America ▁Category : Pre histor ic ▁re pt ile ▁gener a <0x0A> </s> ▁Ju ul ▁Ell erman ▁ ▁( born ▁ 7 ▁October ▁ 1 9 6 5 ) ▁is ▁a ▁Dutch ▁former ▁footballer , ▁who ▁played ▁as ▁a ▁w inger ▁or ▁as ▁a ▁central ▁forward . ▁ ▁Club ▁career ▁Ell erman ▁started ▁his ▁professional ▁career ▁at ▁Spart a ▁and ▁moved ▁to ▁P SV ▁in ▁ 1 9