What is the scientific name of calamansi?

Calamansi, or calamondin, also known as lemoncito, is a citrus tree native to the Phillipines. Its scientific name is Citrofortunella microcarpa.

Or did you mean calamari? Calamari, or squid (singular calamaro, squid), are of the order Teuthida; they are marine cephalopods.