▁of ▁under ▁an ▁hour . ▁ ▁Most ▁individuals ▁of ▁S .   lam per ti ▁are ▁either ▁male ▁or ▁female , ▁but ▁herm aph rod ites ▁occasionally ▁occur ▁and ▁self - fer til isation ▁may ▁take ▁place . ▁The ▁closely ▁related ▁species ▁Syn apt ula ▁hyd r iform is ▁has ▁been ▁studied ▁in ▁detail ▁and ▁its ▁fert il ised ▁eggs ▁are ▁retained ▁in ▁the ▁co el om ▁where ▁the ▁ju ven iles ▁develop ▁in ▁a ▁safe ▁protected ▁environment . ▁If ▁S . ▁l am per ti ▁becomes ▁dam aged , ▁both ▁the ▁anterior ▁and ▁the ▁posterior ▁port ions ▁can ▁reg ener ate ▁into ▁new ▁individuals . ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : A pod ida ▁Category : Anim als ▁described ▁in ▁ 1 9 2 8 <0x0A> </s> ▁While ▁several ▁types ▁of ▁l or ica e ▁( arm or ) ▁existed ▁in ▁the ▁Roman ▁leg ion , ▁the ▁l or ica ▁pl um ata ▁() ▁was ▁reserved ▁for ▁the ▁use ▁of ▁military ▁leaders ▁( T rib unes ▁and ▁above , ▁but ▁typically ▁Gener als ) ▁due ▁to ▁the ▁high ▁cost ▁of ▁production , ▁and ▁maintenance . ▁The ▁name ▁the ▁Rom ans ▁used ▁for ▁this ▁type ▁of ▁arm or ▁is ▁not ▁known , ▁l or ica ▁pl um ata ▁being ▁a ▁descript ive ▁term ▁applied ▁by ▁modern ▁sch ol ars , ▁referring ▁to ▁its ▁res embl ance ▁to ▁a ▁bird ' s ▁pl um age . ▁ ▁The ▁l or ica ▁pl um ata ▁was ▁basically ▁a ▁mail ▁sh irt ▁( ham