Humboldtianinae

Humboldtianinae is an subfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Xanthonychidae.

Humboldtianinae
Humboldtiana humboldtiana shells
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Xanthonychidae
Subfamily:	Humboldtianinae Pilsbry, 1939
Synonyms
Humboldtianidae Pilsbry, 1939

Taxonomy

The subfamily Humboldtianinae consists of the following taxa:

• Tribe Bunnyini H. Nordsieck, 1987
  • Bunnya H. B. Baker, 1942
• Tribe Humboldtianini Pilsbry, 1939
  • Humboldtiana Ihering, 1892
• Tribe unassigned
  • †Skinnerelix Evanoff & B. Roth, 1992

Anatomy

The anatomy of this subfamily is defined by the presence of a diverticulum and three to four dart apparatuses (the love dart is used in mating behaviour). They always have the same number of dart sacs and mucous glands, with two darts per dart sac. The mucous glands are situated on, and open into, the vagina, above the dart sac.^[1]

Shape of love dart	Species
	Humboldtiana nuevoleonis

Distribution

Species of the subfamily of Humboldtianinae are found in the United States and Mexico.