2019
DOI: 10.15517/rbt.v67i6.36105
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A new genus of semislugs (Stylommatophora, Euconulidae) from Costa Rica and a review of the genus Velifera (Stylommatophora, Euconulidae)

Abstract: Un género nuevo de semibabosas (Stylommatophora: Euconulidae) de Costa Rica y revisión del género Velifera (Stylommatophora: Euconulidae). La familia Econulidae tiene distribución circumglobal, pero solo la subfamilia Euconulinae está presente en el continente americano. En Costa Rica hay reportadas 14 especies nativas de euconúlidos. En este trabajo describo el género Tikoconus g.n., un euconúlido nuevo y endémico de Costa Rica. Este género se puede reconocer por su aspecto de semibabosa, su concha externa su… Show more

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Cited by 3 publications
(8 citation statements)
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“…Rain drops diameter are about 2 mm, but during a shower, these 12 mm snails have to face many drops falling close to each other with kinetic energy during a short period (Levia et al, 2017;Barrientos, 2019a). In the case of canopy drip the kinetic energy may be less, the temporary and special distance between drops may be bigger, but drops are bigger than the snail´s shell (Levia et al, 2017;Barrientos, 2019a). Water surface tension of drops may trap and drown snails, but also drops´ kinetic energy may throw the snail from the leaves into the leaf litter.…”
Section: Discussionmentioning
confidence: 99%
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“…Rain drops diameter are about 2 mm, but during a shower, these 12 mm snails have to face many drops falling close to each other with kinetic energy during a short period (Levia et al, 2017;Barrientos, 2019a). In the case of canopy drip the kinetic energy may be less, the temporary and special distance between drops may be bigger, but drops are bigger than the snail´s shell (Levia et al, 2017;Barrientos, 2019a). Water surface tension of drops may trap and drown snails, but also drops´ kinetic energy may throw the snail from the leaves into the leaf litter.…”
Section: Discussionmentioning
confidence: 99%
“…(Barrientos, 2019a). The land snail T. costarricanus is a 12 mm long semislug with a 4.6 mm diameter shell and dwells on understory shrubs in tropical montane wet forest (Barrientos, 2019a).…”
mentioning
confidence: 99%
“…As T. (T.) costaricanus can be found on leaves eating algae that grow on them the year around (Barrientos, 2019), it can be considered an understory dweller. Nevertheless, the understory litter also plays an important role, not only keeping environmental moisture as explained before, but also in its life history.…”
Section: Discussionmentioning
confidence: 99%
“…The scarcity, small size and lack of identification keys have contributed to the little knowledge that we currently have of Neotropical land snails, and the few studies cover a limited part of the region, mostly Mexico, Brazil, Argentina, Costa Rica and Cuba (Correa-Sandoval, Strenth, Rodríguez Castro, & Horta Vega, 2009;Barrientos, 2010Barrientos, , 2016Nunes & Santos, 2012;Suárez Torres & Fernández-Velázquez, 2012;Miranda, Fontenelle & Pecora, 2015). Five genera of euconulids have been reported from the Neotropics: Habroconus Fischer & Crosse, Velifera Binney, Euconulus Reinhardt, Tikoconus Barrientos and Ovachlamys (Barrientos, 1998, 2000, 2019Schileyko, 2002;Thompson, 2011). Only two species have been studied regarding their ecology and life history: the Brazilian native Habroconus semenlini (Moricand, 1845) and the introduced Japanese species Ovachlamys fulgens (Gude, 1900).…”
mentioning
confidence: 99%
“…In Costa Rica, one of the more diverse but little studied land snail's families are the euconulids (Barrientos, 2005). The species Tikoconus (Tikoconus) costarricanus is the most widespread species of the genus and occurs from 760 to 2 400masl throughout the Tilaran, Central and Talamanca mountain ranges (Barrientos, 2019a). This species lives on the leaves of understory shrubs in mature forests; they are very sensitive to modifications that affect moisture in their habitat (Barrientos, 2019b).…”
Section: Palarasmentioning
confidence: 99%