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Humboldtiana Nuevoleonis SEM Dart
''Humboldtiana'' is a genus of American air-breathing land snails, terrestrial pulmonate gastropod mollusks 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'', 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): 429-435JSTOR * '' Humboldtiana hoegiana'' * ''Humboldtiana nuevoleonis'' Pilsbry, 1927 * '' Humboldtiana ultima'' References Further reading * * Pilsbry H. A. (1948). "Inland Mollusks of Northern Mexico. I. The genera ''Humboldtiana'', ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Humboldtiana Humboldtiana
''Humboldtiana'' is a genus of American air-breathing land snails, terrestrial molluscs, terrestrial pulmonate gastropod mollusks 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'', 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): 429-435JSTOR * ''Humboldtiana hoegiana'' * ''Humboldtiana nuevoleonis'' Pilsbry, 1927 * ''Humboldtiana ultima'' References Further reading * * Pilsbry H. A. (1948). "Inland Mollusks of Northern Mexico. I. The genera ''H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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). MolluscaBase. Polygyridae Pilsbry, 1895. Accessed through: World Register of Marine Species a .... Species The following species are recognised in the genus ''Ashmunella'': *'' Ashmunella altissima'' *'' Ashmunella amblya'' – Pine Springs woodland snail *'' Ashmunella angulata'' – angulate woodland snail *'' Ashmunella animasensis'' – Animas Peak woodland snail *'' Ashmunella ashmuni'' – Jemez woodland snail *'' Ashmunella auriculata'' – Boulder Canyon woodland snail *'' Ashmunella bequaerti'' – Goat Cave woodland snail *'' Ashmunella binneyi'' – Silver Creek woodland snail *'' Ashmunella carlsbadensis'' – Guadalupe woodland snail *'' Ashmunella chiricahuana'' &ndash ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 to the western United States, especially the Rocky Mountains, Great Basin, and Southwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sepa .... Species Species within the genus ''Oreohelix'' include: *'' Oreohelix alpina'' – alpine mountainsnail *'' Oreohelix amariradix'' – Bitter Root mountainsnail *'' Oreohelix anchana'' – Ancha mountainsnail *'' Oreohelix barbata'' – bearded mountainsnail *'' Oreohelix californica'' – Clark mountainsnail * '' Oreohelix carinifera'' – keeled mountainsnail *'' Oreohelix ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 adjacent Mexico. There are about 80 species. Species Species include: Integrated Taxonomic Information System (ITIS) *'''' – Phoenix talussnail *'' Sonorella ambigua'' – Papago talussnail *'' [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Humboldtiana Ultima
''Humboldtiana'' is a genus of American air-breathing land snails, terrestrial pulmonate gastropod mollusks 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'', 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): 429-435JSTOR * '' Humboldtiana hoegiana'' * ''Humboldtiana nuevoleonis'' Pilsbry, 1927 * '' Humboldtiana ultima'' References Further reading * * Pilsbry H. A. (1948). "Inland Mollusks of Northern Mexico. I. The genera ''Humboldtiana'', ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Humboldtiana Hoegiana
''Humboldtiana'' is a genus of American air-breathing land snails, terrestrial pulmonate gastropod mollusks 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'', 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): 429-435JSTOR * '' Humboldtiana hoegiana'' * ''Humboldtiana nuevoleonis'' Pilsbry, 1927 * ''Humboldtiana ultima'' References Further reading * * Pilsbry H. A. (1948). "Inland Mollusks of Northern Mexico. I. The genera ''Humboldtiana'', ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Southwestern Naturalist
''The'' () is a grammatical article in English, denoting persons or things that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the most frequently used word in the English language; studies and analyses of texts have found it to account for seven percent of all printed English-language words. It is derived from gendered articles in Old English which combined in Middle English and now has a single form used with nouns of any gender. The word can be used with both singular and plural nouns, and with a noun that starts with any letter. This is different from many other languages, which have different forms of the definite article for different genders or numbers. Pronunciation In most dialects, "the" is pronounced as (with the voiced dental fricative followed by a schwa) when followed by a consonant sound, and as (homophone of the archaic pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Humboldtiana Agavophila
''Humboldtiana'' is a genus of American air-breathing land snails, terrestrial pulmonate gastropod mollusks 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'', 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): 429-435JSTOR * ''Humboldtiana hoegiana'' * ''Humboldtiana nuevoleonis'' Pilsbry, 1927 * ''Humboldtiana ultima'' References Further reading * * Pilsbry H. A. (1948). "Inland Mollusks of Northern Mexico. I. The genera ''Humboldtiana'', ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 known as a gypsobelum, shooting darts, or just as darts) is a sharp, calcareous or chitinous dart which some hermaphroditic land snails and slugs create. Love darts are both formed and stored internally in a dart sac. These ... as part of their mating behavior. References * Mentioned a Humboldtianidae Gastropods described in 1927 {{Heterobranchia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Love Darts
A love dart (also known as a gypsobelum, shooting darts, or just as darts) is a sharp, calcareous or chitinous dart which some hermaphroditic land snails and slugs create. Love darts are both formed and stored internally in a dart sac. These darts are made in sexually mature animals only, and are used as part of the sequence of events during courtship, before actual mating takes place. Darts are quite large compared to the size of the animal: in the case of the semi-slug genus ''Parmarion'', the length of a dart can be up to one fifth that of the semi-slug's foot. The process of using love darts in snails is a form of sexual selection. Prior to copulation, each of the two snails (or slugs) attempts to "shoot" one (or more) darts into the other snail (or slug). There is no organ to receive the dart; this action is more analogous to stabbing, or to being shot with an arrow or flechette. The dart does not fly through the air to reach its target, but is "fired" as a contact ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hermann Von Ihering
Hermann Friedrich Albert von Ihering (9 October 1850 – 24 February 1930) was a German-Brazilian zoologist. He was the oldest son of Rudolf von Jhering. Biography Hermann Friedrich Albert von Ihering was born in 1850 in Kiel, Germany, the oldest son of Rudolf von Jhering. Under the advice of Rudolf Leuckart, Ihering studied medicine at the Giessen, Leipzig, Berlin, and Göttingen universities, working as an assistant at the zoological institute in Göttingen. He concluded his doctoral thesis in Göttingen, with the title ''Ueber das Wesen der Prognathie und ihr Verlhaeltniss zur Schaedelbasis'' (On the essence of prognathism and its effect on the base of the skull). He later worked as a Privatdozent for zoology at the Erlangen and Leipzig. On 26 April 1880, Ihering married a widow, Anna Maria Clara Wolff (born von Bezel), who had a 10-year-old boy, Sebastian Wolff, from her first marriage. The marriage was not approved by Ihering's family and, as a result, he travelled to Bra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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