Updated: September 20, 2025
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.