00874nam a2200229Ia 4500001000700000003000500007005001700012008004100029010001500070043001200085050003400097082002400131100002800155245011900183260005900302300002800361490006100389504005200450650005300502650005400555650003500609191946BIBL20160527191847.0940620s1994    dcua     b   f000 0 eng    a 94028605   an-usm--00aQE701b.S56 no. 79aQE823.P7900a560 sa562/.3932201 aHughes, Nigel C.2Local10aOntogeny, intraspecific variation, and systematics of the Late Cambrian trilobite DikelocephaluscNigel C. Hughes.  aWashington, D.C.bSmithsonian Institution Pressc1994.  aiv, 89 p.bill.c28 cm. 0aSmithsonian contributions to paleobiologyvno. 792Local  aIncludes bibliographical references (p. 61-66). 0aDikelocephaluszMississippi River Valley.2Local 0aAnimals, FossilxMississippi River Valley.2Local 0aPaleontologyyCambrian.2Local