Biota Neotropica ISSN: 1676-0611 [email protected] Instituto Virtual da Biodiversidade Brasil Christo Miyahira, Igor; Barbosa dos Santos, Sonia; Dreher Mansur, Maria Cristina Freshwater mussels from South America: state of the art of Unionida, specially Rhipidodontini Biota Neotropica, vol. 17, núm. 4, 2017, pp. 1-13 Instituto Virtual da Biodiversidade Campinas, Brasil Available in: http://www.redalyc.org/articulo.oa?id=199154653014 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative iot eotropic : e www.scielo.br/bn online eition Thematic Review Freshwater mussels from South America: state of the art of Unionida, specially Rhipidodontini Igor Christo Miyahira 1* , Sonia Barbosa dos Santos 2 & Maria Cristina Dreher Mansur 3 1Universidade Federal do Estado do Rio de Janeiro, Avenida Pasteur, 458, 22290-240, Rio de Janeiro, RJ, Brazil 2Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, 20550-900, Rio de Janeiro, RJ, Brazil 3Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil *Corresponding author: Igor Christo Miyahira, e-mail: [email protected] ihir . ntos . nsr . Freshwater mussels from South America: state of the art of Unionida, specially Rhipidodontini . iot eotropic. : e . http://.oi.or/./ Abstract: nioni is the ost ierse cle o reshwter biles. €on the rops occrrin in oth €eric one with the hihest nber o species is •hipioontini ‚riie nioni ƒleoheteroont ili. ‚oweer seerl issues remains on taxonomy and systematic of this group, leading to problems on species identication, description, as lso s liitin ctor to other tpe o sties e.g., ecolo consertion„. n this pper is presente snthesis o ilble …nowlee bot Diplodon pi in †ner ‡ n Rhipidodonta Mörch, 1853 in South America, as a rst step in orer to better nersttin o •hipioontini. ˆhe eltion o ierent thors eposes the little reeent between the tht reslte in sort o ierent tonoicl opinions. oe coents on ecolo consertion n hbitt preerences were e. ˆhis wor… cn lso encore tre reserch on tono sstetic ecolo n consertion o reshwter ssels in oth €eric. Keywords: Diplodon, Rhipidodonta, Hyriidae, Bivalvia, Freshwater bivalve. Bivalves de água doce da América do Sul: estado da arte de Unionida, especialmente Rhipidodontini Resumo: nioni ‰ o clo is ierso e biles e Š oce. ‹ntre os rpos Œe ocorre n €‰ric o l os co ior n•ero e esp‰cies ‰ •hipioontini ‚riie nioni ƒleoheteroont ili. Porém, diversas questões taxonômicas e sistemáticas ainda incidem sob este grupo, levando a problemas de identicação de espécies, descrição, entre outros, como também tem atuado como limitador de outros tipos de estudos ( e.g., ecoloi conservação,..). Neste trabalho é apresentada uma revisão do conhecimento acerca dos gêneros Diplodon pi in †ner ‡ e Rhipidodonta Mörch, 1853 na América do Sul como um primeiro passo para a melhor compreensão de •hipioontini. €lino se ierentes tores se torn clro poc concorŽnci entre eles resltno e opini•es taxonômicas divergentes. São feitos também alguns comentários sobre ecologia, conservação e preferências ambientais. Este trabalho também deve encorajar futuros trabalhos sobre a taxonomia, sistemática, ecologia e conservação de biles e Š n €‰ric o l. Palavras-chave: Diplodon, Rhipidodonta, Hyriidae, Bivalvia, Bivalve de água doce. Introduction pheriie ‚eteroont: “eneri lie eclsiel in reshwter nsr ”iribet ‡ . •reshwter ssels nioni re one ollsc is the secon phl in nber o species with estites o the ost ennere nil rop e to continos ertion o on the nber o liin species rnin p to ƒoner • their ecosstes trer et l. €rl et l. ‡ ƒereir et l. ‘inber ‡ . ili constittes one o the ost representtie . ore recentl €sin reshwter biles li…e Limnoperna rops o this phl with ore thn ‡ species liin worlwie. fortunei n…er ‡ tilie n Corbicula spp. renie €lthoh ost re rine species bot lie in reshwter in tht he been introce to seerl istnt contries n continents ll continents ecept €ntrctic •ppert et l. on ‡ . inclin oth €eric cse seere ecoloicl n econoicl eerl linees coloni’e reshwter ecosstes especill the orer loss rrirn • borene nsr et l. oltos…o nioni ƒleoheteroont s well s soe species o €rci tili • o rre – et l. . ƒterioorph “eneri i n €noloest ‚eteroont iles inhbit the botto sbstrte n re iportnt ebers sestin tht bile insions o reshwter enironents occrre o reshwter conities perorin iportnt ecosste serices neros ties ‚ . €ll liin species o nioni n “hn . ‹cept or the enironentl ierences between rine http://.oi.or/./ http://www.scielo.br/bn Biota Neotrop . : e ihir .. et l. n reshwter orniss the reshwter species re enerll siilr to s ‚ipson plce hriis within €nionie. ccorin to marine ones; although they are less colorful, camouaged among sand oell telie is bsl ro p tht ori intes ll other ssels. rins n stones nsr . •reshwter biles cn be on in roi † onetto propose n rrn eent in two s perilies lost ll ilble icrohbitts occpin ierent niches: brrowers bse inl on the lr•l tpe which ws wiel ccepte b s bse‹ ent o sot seients orit o species b rrowers o copcte seients thors: €nionce €nionie Ž r ritierie Ž riie with e.g., Mycetopoda rbi n n Mycetopodella rshll lochii lr•” n telce telie Ž cetopoie with we ers o sot rocs n lterite e.g., Bartlettia s ttche b lasidium larva. Etheriidae is not included in the classication, as its larval bss s e.g., Byssanodonta rbi n n Eupera o r i nt st e ws nnown t tht tie o n † ƒoe . „he lr•l st e o n species ceente to hr s bstrte e.g., Acostaea rbi n n Acostaea rivolii (Deshayes, 1827) (Etheriidae) was later identied as a Etheria rc ns r ereir et l. . lsii rte •‚o oso onetto . •bt re•ise r in ol ws to s rie the nowle e bo t €nioni the nes se in €nioni cliin tht “therioie n •riinie sho l i•l•i leoheteroont in ‚o th eric especill re rin be se inste o teloie n telie. „he recent wors ccepte ƒhipioontini riie. these s estions e.g., Šr † ˆ in s . •n the be innin o the st cent r there hs been ree•l tion o 1. Systematics of Unionida sstetic reltionships bse on phlo enetic ethoolo ies incl in olec lr t in soe o these nlses. „he onophl o “theriie „he t…onoic instbilit o bi•l•es res lts in prt ro the lr e o nt ws ‹ estione b o n † oeh who consiere Acostea n o •ilble nes ieler † ielsen which chn e ccorin Etheria tritionll incl e in “theriie within cetopoie to the ierent chrcters ephsie b ech thor. „he sstetic o n Pseudomulleria nthon n •nin reshwter oster insie i•l•i ws resse b se•erl thors „hiele ‡ewell €nionie. o n † oeh propose ltiple ori ins to ceenttion ˆo… et l. ‰rnc ‚chneier Širibet n the position o on reshwter bi•l•es r in the occ rrence o the se process in leoheteroont reins ‹ ite stble. leoheteroont is s ll presente the non•relte ˆrenie Posostrea anomioides o n † o chet . s Œhlw• between terioorphi n eteroont ‚c hneier „he nlsis o oeh et l. is siilr to o n † oeh Širibet . ieler et l. presente sli htl ierent rrn eent s estin tht riie is sister ro p to the reinin €nioni n where leoheteroont is sister ro p to rchiheteroont n this consierin €nionce sensu roi † onetto s prphletic is sister to cle copose b noloest Ž •prienti tht ro p. „ht schee iplies tht the lochii n the lr•e inc btion ebrces ost bi•l•es pre•io sl in eteroont. €nioni is incl e in in the inner eibrnch eno eno s re plesioorphic chrcteristics leoheteroont n it is ro p o s ll lr e•sie ssels tht h•e o €nioni. pec lir lie ccle with prsitic st e n presents the ost s ccess l Šr nle the reltionships insie “therioie with n rition in reshwters b bi•l•es Šr † ˆ in s . ephsis on riie” s estin tht riie •riinie n “theriie „he inner reltionships o €nioni re not s cler s the position o re onophletic. €nionie once ore h its onophl ‹ estione leoheteroont. ‚ipson propose onl two ilies in €nionoi n Grandidieria o r i nt tritionll plce in €nionie ‘ €nioni: €nionie n telie. ost bi•l•es tht re c rrentl is consiere sister ro p o “therioie. Šr † ˆ ins reco nie s €nionie r ritierie n riie ‰i re •ˆ s este tht leoheteroont is onophletic n i•ie €nionoi compose the rst group; and the current representatives of Mycetopodidae in two cles: €nionoie €nionie Ž r rtierie n “therioie n •riinie re prt o the secon ro p ‰i re ’•“ . „hereore riie Ž “theriie Ž cetopoie Ž •riinie. €nlie other thors €nionie sensu ‚ipson encopsses the species with lr•e o e.g., o n † oeh ” oeh et l. Šr † ˆ in s lochii tpe wheres telie sensu ‚ipson those with s este the onophl o €nionie n “theriie conition ltter the lsii tpe. rtnn reco nie three ilies within the lso s pporte b –heln et l. . •n tht schee €nionoie is the s peril ‡ies: r ritnie ‘ r ritierie €nionie n telie ‘ riie Ž cetopoie Ž •riinie. se on orpholo icl chrcteristics o their sot prts not onl on their shells rtnn note siilrities between hriis n telis n reo•e hriis ro €nionie estblishin the s s bil o telie.