michcacallotl.

Headword: 
michcacallotl.
Principal English Translation: 

the shell of a shellfish (see Molina)

Alonso de Molina: 

michcacallotl. concha de pescado.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56r. col. 1. Thanks to Joe Campbell for providing the transcription.

themes: 
Animals, Bugs, Insects, Reptiles, Fish, etc.
Food, Eating, Cooking
Marine, Maritime, Lacustrine
Shells