Kalmar "armadillo" tana nufin ƙaramar dabbobi masu shayarwa a tsakiyar Argentina, wanda kuma aka sani da sunan kimiyya, Chlamyphorus truncatus. An ba wa wannan aljana sunan Armadillo don kamanninta na musamman, wanda ya haɗa da harsashi mai kauri, mai sulke wanda ke rufe bayansa da gefensa, da kuma laushi mai laushi, fari da ke rufe sauran sassan jikinsa. Ana la'akari da ɗaya daga cikin mafi ƙanƙanta armadillos, yawanci aunawa kawai kusan inci 4-5 a tsayi kuma yana auna ƙasa da fam guda. Aljana armadillo wata halitta ce da ba a iya gani ba wacce takan shafe mafi yawan lokutanta a karkashin kasa, kuma kadan ne aka san halinta ko ilimin halittu.