▁western ▁United ▁States , ▁and ▁northern ▁Mexico . ▁ ▁Classification ▁ ▁Below ▁is ▁the ▁ph y log eny ▁of ▁C ale b ▁Brown ▁and ▁Donald ▁Hend erson ▁( 2 0 1 5 ): ▁ ▁Below ▁is ▁the ▁result ▁of ▁a ▁ph y log en etic ▁analysis ▁by ▁Mall on ▁et ▁al ., ▁following ▁the ▁traditional ▁ep ip ari etal ▁hom ology ▁scheme ▁from ▁their ▁description ▁of ▁Sp ic ly pe us ▁sh ipp orum . ▁Bra v oc er at ops ▁and ▁E ot ric er at ops ▁were ▁removed ▁because ▁it ▁was ▁found ▁that ▁they ▁decrease ▁resolution ▁in ▁their ▁analysis ▁because ▁of ▁the ▁authors ' ▁new ▁interpretation ▁of ▁ep ip ari etal ▁configurations . ▁Reg al ic er at ops ▁was ▁not ▁resolved ▁as ▁a ▁member ▁of ▁the ▁Tr ic er at ops ini . ▁ ▁Tim eline ▁ ▁See ▁also ▁▁ ▁Tim eline ▁of ▁cer at ops ian ▁research ▁ ▁References ▁ ▁External ▁links ▁ 1 . http :// p ale odb . org / cgi - bin / bridge . pl ▁ ▁Category : C er at ops ids ▁Category : Ch asm osa ur ines ▁ ▁es : Ch asm osa ur inae <0x0A> </s> ▁Back wood s ▁Sm okes ▁are ▁a ▁brand ▁of ▁cig ars ▁produced ▁in ▁the ▁United ▁States ▁beginning ▁in ▁ 1 9 7 3 . ▁This ▁product ▁was ▁notable ▁during ▁the ▁ 1 9 7 0 s ▁and ▁ 1 9 8 0 s ▁for ▁heavy ▁advert ising , ▁which ▁became ▁one ▁of ▁the ▁more