Updated: January 20, 2026
Mactra Araucana, d'Orbigny, "Voyage, Part Pal." 12. Arca Araucana, d'Orbigny, "Voyage, Part Pal." 13. Nucula Largillierti, d'Orbigny, "Voyage, Part Pal." 14. Trigonia Hanetiana, d'Orbigny, "Voyage, Part Pal." During a second visit of the "Beagle" to Concepcion, Mr.