Humboldtiana Nuevoleonis SEM Dart
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''Humboldtiana'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of American air-breathing
land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...
s, terrestrial
pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...
gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is e ...
s in the subfamily Humboldtianinae.


Anatomy

Snails in this genus create and use love darts as part of their mating behavior. The scanning electron microscope images on the left show (above) the lateral view of the love dart of ''
Humboldtiana nuevoleonis ''Humboldtiana nuevoleonis'' is a species of American air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Humboldtianidae. Anatomy Snails in this species create and use love darts A love dart (also know ...
'', scale bar 500 μm (0.5 mm); and (below) a cross section of the dart, scale bar 50 μm.


Species

Species within the genus ''Humboldtiana'' include: * '' Humboldtiana agavophila'' Pratt, 1971Pratt W. L. (25 May 1971). "''Humboldtiana agavophila'', a New Helminthoglyptid Land Snail from the Chisos Mountains, Big Bend National Park, Texas". '' The Southwestern Naturalist'' 15(4): 429-435
JSTOR
* '' Humboldtiana hoegiana'' * ''
Humboldtiana nuevoleonis ''Humboldtiana nuevoleonis'' is a species of American air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Humboldtianidae. Anatomy Snails in this species create and use love darts A love dart (also know ...
'' Pilsbry, 1927 * '' Humboldtiana ultima''


References


Further reading

* * Pilsbry H. A. (1948). "Inland Mollusks of Northern Mexico. I. The genera ''Humboldtiana'', ''
Sonorella ''Sonorella'' is a genus of land snails in the subfamily Helminthoglyptinae. They are known commonly as talussnails or talus snails because most live in talus and similar habitat. They are distributed across the southwestern United States and a ...
'', ''
Oreohelix ''Oreohelix'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oreohelicidae. ''Oreohelix'' is the type genus for the family Oreohelicidae. There are about 79 species in this genus. They are native ...
'' and ''
Ashmunella ''Ashmunella'' is a genus of small, air-breathing, land snails in the family Polygyridae Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea. MolluscaBase eds. (2021). M ...
''". ''Proceedings of the Academy of Natural Sciences of Philadelphia'' 100: 185-203.
A list of papers about the ''Humboldtiana''
Xanthonychidae Taxa named by Hermann von Ihering {{Xanthonychidae-stub