MUSSELpdb | valid sp. Prisodon syrmatophorus specimens

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Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

species Prisodon syrmatophorus (Gmelin, 1791): specimens
6 available nominal species synonyms (14 total synonyms)

Recent Taxonomic Opinions

Prisodon (Paxyodon) syrmatophorus — Graf & Cummings (2007)
Paxyodon syrmatophorus — Lasso et al. (2009), Bogan (2010), Santos-Neto et al. (2016), Santos-Neto et al. (2018), Mansur et al. (2020)
Prisodon syrmatophorus — IUCN (2014), Graf & Cummings (2021)
Paxyodon syrmathophorus [sic] — Pereira et al. (2014)
Prisodon alatus — Soliman et al. (2016)

Range

Northeastern South America, from the Orinoco and Guyana to the lower Amazon.

Map of Georeferenced Specimens

species map

Bolivia

AMNH_120676
Rio Itenez (=Guaporé), Beni, 4 km above Costa Marques, Brazil, Bolivia

Brazil

USNM_36095 Amazon	USNM_83881 Amazon	USNM_83881 Amazon
USNM_83882 Amazon	USNM_83882 Amazon	BMNH_MP_129 Amazon ?
USNM_120133 Amazon R.	USNM_83883 Amazon R., S. Am.	USNM_83883 Amazon R., S. Am.
USNM_83883A Amazon R., S. Am.	AMNH_30842 Amazon River	AMNH_30842 Amazon River
AMNH_30844 Amazon River	AMNH_31270 Amazon River	AMNH_31294 Amazon River
AMS_126889 Amazon River	ANSP_125545 Amazon River	ANSP_125545 Amazon River
BMNH_MP_127 Amazon River	CM_61.9272 Amazon River	FMNH_2590 Amazon River
UMMZ_184032 Amazon River	UMMZ_184032 Amazon River	DMNH_173097 Amazon River, Brazil
DMNH_186554 Amazon River, Brazil	MCZ_30644 Amazon River, Brazil	MCZ_MP.91 Amazon River, Brazil
MCZ_MP.91 Amazon River, Brazil	UMMZ_110935 Amazon River, Brazil	UMMZ_110935 Amazon River, Brazil
UMMZ_110935 Amazon River, Brazil	MCZ_MP.93 Amazon River, South America	MCZ_MP.93 Amazon River, South America
UMMZ_110931 Amazon River, South America	UMMZ_110931 Amazon River, South America	UMMZ_110931 Amazon River, South America
UMMZ_110931 Amazon River, South America	USNM_853888 Amazon, Para City, Brazil	INHS_79221 at mouth of rio Jarauçu (Aquiqui)
ZMB_40674-01 Bakairi, Kamayura	ZMB_40674-01 Bakairi, Kamayura	INHS_78831 beach on right bank ca. 60 km north of Vitória do Xingu
INHS_79197 beach on right bank, campsite 5 and vicinity, ca. 3.5 km southeast of Porto do Moz	ANSP_133819 bought in the market at Pará, Brazil	MCZ_78431 bought in the market at Pará, Brazil
MNHN_MP_0647 Brasil	SMF_11757 Brasilien	SMF_11758 Brasilien
SMF_182137 Brasilien	AMNH_50937 Brazil	AMNH_61962 Brazil
AMNH_61962 Brazil	AMNH_88274 Brazil	AMS_126890 Brazil
ANSP_41788 Brazil	ANSP_41788 Brazil	ANSP_41871 Brazil
BMNH_MP_126 Brazil	BMNH_MP_128 Brazil	BMNH_MP_435 Brazil
BMNH_MP_435 Brazil	DMNH_173090 Brazil	DMNH_173125 Brazil
FMNH_19417 Brazil	MCZ_6622 Brazil	MCZ_6622 Brazil
MCZ_6622 Brazil	MCZ_6623 Brazil	MNHN_MP_0644 Brazil
UF_93178 Brazil	UMMZ_110933 Brazil	UMMZ_110933 Brazil
UMMZ_110933 Brazil	UMMZ_110933 Brazil	ANSP_219176 Brazilian Consulate, Chicago, 1943
ANSP_219176 Brazilian Consulate, Chicago, 1943	USNM_653460 Brazilian Consulate, Chicago, 1943	USNM_653460 Brazilian Consulate, Chicago, 1943
MNHN_MP_1542 Bresil	FMNH_29162 Lago de Tambaqui, Barra de Sao Manoel, Pará, Brazil	FMNH_49174 Lago de Xixia (Chichia), Municipio de Parintins, Amazonas, Brazil
FMNH_30428 Lago do Trocoa, near Lago Salgado, near Obidos, Pará, Brazil	FMNH_30430 Lago do Trocoa, near Lago Salgado, near Obidos, Pará, Brazil	FMNH_30457 Lago do Trocoa, near Lago Salgado, near Obidos, Pará, Brazil
UMMZ_4388 Largo Grande, Brazil	UMMZ_4388 Largo Grande, Brazil	INHS_79210 left bank ca. 5 km upstream from confluence with rio Xingu
FMNH_30426 lower Rio Tapajós, Lago Timbo, Pará, Brazil	INHS_79231 main channel off right bank campsite 5, ca. 3.5-4 km south-southeast of Porto do Moz	INHS_79214 mouth bay and confluence with rio Xingu
INHS_78886 off right bank ca. 17 km north-northwest (downstream) of Senador José Porfírio	INHS_78863 off right bank ca. 55 km south-southeast of Porto do Moz	INHS_78840 off right bank ca. 6 km north-northwest of Vitória do Xingu
INHS_78877 off right bank, point between campsite 5 and Porto do Moz	USNM_83880 Pará City, Brazil	USNM_83880 Pará City, Brazil
FMNH_126608 Rio Araguaia, Barra do Tapirape, Mato Grosso, Brazil; 10°50’S, 50°40’	SMF_11756 Rio Araguaya bei Goyaz, Brasilien	SMF_11755 Rio Araguaya, bei Goyaz, Ilha do Bananal, Bras.
FMNH_49175 Rio Arapiuns, below Ponta Icuxi, Pará, Brazil	FMNH_30429 Rio Cumina, near Obidos, Pará, Brazil	ANSP_281311 Rio Curua, near Santarem, on Amazon, below Manaus, Brazil
UMMZ_110932 Rio Jamachim, Brazil	UMMZ_110932 Rio Jamachim, Brazil	DMNH_173096 Rio Jamauchim, Brazil
MCZ_297393 Rio Maica Faz, Taparinha, Santarem, Pará, Brazil	AMNH_146455 Rio Sao Francisco, Bahia, Brazil	FMNH_29161 Rio Sao Manoel, Barra de Sao Manoel, Pará, Brazil
AMNH_31272 Rio Solimoes, Brazil	INHS_83152 Rio Tapajós, 2.8 km downriver of Villa Simoes, 2.8 km upriver of Vila Goreth, 5.6 km upriver of rio Arapiuns, Pará, Brazil	INHS_85708 Rio Tapajós, 2.8 km downriver of Villa Simoes, 2.8 km upriver of Vila Goreth, 5.6 km upriver of rio Arapiuns, Pará, Brazil
INHS_81417 Rio Tapajós, 6.5 km downstream Vila Goreth, 14.8 km Alter do Chao, Para, Brazil	MCZ_MP.94 Rio Tapajós, Aramanahi, just above Belterra, Pará, Brazil	FMNH_29166 Rio Tapajós, Belterra, Pará, Brazil
FMNH_30427 Rio Tapajós, Belterra, Pará, Brazil	FMNH_29168 Rio Tapajós, Pindobal, Pará, Brazil	FMNH_30431 Rio Tapajós, Pindobal, Pará, Brazil
FMNH_30459 Rio Tapajós, Pindobal, Pará, Brazil	FMNH_29167 Rio Tapajós, Santarem, Corôa de Areia, Pará, Brazil	FMNH_29163 Rio Tapajós, Santarem, off Mapiri Bay, Pará, Brazil
FMNH_30458 Rio Tapajós, Santarem, off Mapiri Bay, Pará, Brazil	ANSP_167895 Rio Tapajós, Santarem, Pará, Brazil	BMNH_MP_044 Rio Tapajós, Santarem, Pará, Brazil
FMNH_115946 Rio Tapajós, Santarem, Pará, Brazil	FMNH_29164 Rio Tapajós, Santarem, Pará, Brazil	FMNH_29165 Rio Tapajós, Santarem, Pará, Brazil
MCZ_47052 Rio Tapajós, Santarem, Pará, Brazil	MCZ_89497 Rio Tapajós, Santarem, Pará, Brazil	MNHN_MP_0789 Rio Tapajós, Santarem, Pará, Brazil
SMF_11761 Rio Tapajós, Santarem, Pará, Brazil	UMMZ_110937 Rio Tapajós, Santarem, Pará, Brazil	UMMZ_110937 Rio Tapajós, Santarem, Pará, Brazil
UMMZ_110940 Rio Tapajós, Santarem, Pará, Brazil	UMMZ_110940 Rio Tapajós, Santarem, Pará, Brazil	UMMZ_62226 Rio Tapajós, Santarem, Pará, Brazil
UMMZ_62226 Rio Tapajós, Santarem, Pará, Brazil	CM_61.5109 Rio Tapajós, Santarem, Prov. Pará, Brazil	ZMB_36001 Rio Tocantins
SMF_36729 Rio Tocantins, Amazonas, Geb., b. Cameta, Staat Pará, Bras.	AMNH_146547 Rio Tocantins, Bahai [Bahia ?] Brazil	SMF_283463 Rio Tocantins, Baiao
FMNH_216437 Rio Tocantins, Baiao, Brazil	AMNH_146456 Rio Tocantins, Brazil	FMNH_21815 Rio Tocantins, Brazil
UMMZ_110936 Rio Tocantins, Brazil	UMMZ_110936 Rio Tocantins, Brazil	MCZ_186365 Rio Tocantins, Cameta, Est. Pará, Brazil
UMMZ_65581 Rio Tocantins, Cameta, Pará, Brazil	UMMZ_65581 Rio Tocantins, Cameta, Pará, Brazil	ANSP_194573 Rio Tocantins, Trocara, Pará, Brazil
INHS_45931 Rio Xingu, ~7 km N Senador José Porfîrio, Pará, Brazil	INHS_45931 Rio Xingu, ~7 km N Senador José Porfîrio, Pará, Brazil	CM_61.2494 River Amazon
ANSP_41870 Santarem, Amazon River	ANSP_41870 Santarem, Amazon River	INHS_78845 shore along left bank at confluence with rio Xingu
FMNH_43782 Xingu Alto, Jacare, Mato Grosso, Brazil

COMA_B.1054.

RMNH_327159. Brasile

INPA_1571. Brazil: Amapá: (Amazon): rio Amazonas: prox. Forte Macapá 00° 1' 35" N, 51° 03' 05" W: 0.02638 -51.05140

INPA_1572. Brazil: Amapá: (Amazon): rio Amazonas: prox. Forte Macapá 00° 1' 47" N, 51° 2' 53'' W: 0.02972, -51.04806

PUCRS_MCP_6150. Brazil: Pará: (Amazon - Tapajós): rio Tapajós: Praia do Rio Tapajós

INPA_943. Brazil: Pará: (Amazon - Trombetas): rio Trombetas: à jusante do porto Trombetas: -1.45950 -56.38131

INPA_872. Brazil: Pará: (Amazon - Trombetas): rio Trombetas: à montante do porto Trombetas: -1.45950 -56.38131

PUCRS_MCP_8531. Brazil: Pará: Afuá: (Amazon): Ilha do Chagas, afluente da Ilha do Pará: -1.99813 -54.93062

INPA_1408. Brazil: Pará: Barcarena: (Tocantins): rio Pará: baiá de Marajó: -1.50583 -48.6258

INPA_981. Brazil: Pará: Cametá: (Tocantins): rio Tocantins

INPA_1579. Brazil: Pará: Cametá: (Tocantins): rio Tocantins: vila do Carmo

PUCRS_MCP_8351. Brazil: Pará: Ilha Grande: (Tocantins): Rio Tocantins: Vila do Carmo: -2.45094 -49.44318

PUCRS_MCP_8357. Brazil: Pará: Ilha Grande: (Tocantins): Rio Tocantins: Vila do Carmo: -2.45094 -49.44318

PUCRS_MCP_8527. Brazil: Pará: Ilha Grande: (Tocantins): Rio Tocantins: Vila do Carmo: -2.45094 -49.44318

INPA_219. Brazil: Pará: Itupiranga: (Tocantins): rio Tocantins

PUCRS_MCP_8355. Brazil: Pará: Santana do Araguaia: (Tocantins - Araguaia): Lagoa da Mata: Rio Araguaia

INPA_1347. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, enseada em frente à praia do lago Preto, jusante da Ponta de Pedras: -2.50454 -54.96061

INPA_1355. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, enseada em frente à praia em frente ao lago mais próximo da comunidade: -2.50454 -54.96061

INPA_1333. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, enseada em frente a um lago: -2.50454 -54.96061

INPA_1352. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, enseada próxima a um pontal: -2.50454 -54.96061

INPA_1353. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, margem da Ponta do Cururu até as barracas próximas da praça de Alter: -2.50454 -54.96061

PUCRS_MCP_8515. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, margem direita do rio Rio Tapajós: -2.50454 -54.96061

PUCRS_MCP_8516. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, margem direita do rio Rio Tapajós: -2.50454 -54.96061

INPA_496. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, margem próxima ao Tapajós: -2.50454 -54.96061

INPA_1162. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia à frente e esquerda do lago Jacundá, ponto 5: -2.50454 -54.96061

INPA_1330. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia a montante da comunidade: -2.50454 -54.96061

INPA_1351. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia da Ponta do Cururu: -2.50454 -54.96061

INPA_1169. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente à praça caminhando aprox. 1,5Km em direção à praia Ponta do Cururu, ponto 1: -2.50454 -54.96061

INPA_1177. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente a um igarapé próximo à Ponta de Pedra: -2.50454 -54.96061

INPA_1181. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente a um lago, ponto 4: -2.50454 -54.96061

INPA_1188. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente a um lago, ponto 8: -2.50454 -54.96061

INPA_1160. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente ao lago do Jacaré, ponto 2: -2.50454 -54.96061

INPA_1163. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente ao lago Itapari, ponto 10: -2.50454 -54.96061

INPA_1186. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente ao lago Muretá, ponto 7: -2.50454 -54.96061

INPA_1149. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia em frente ao lago Piranha: -2.50454 -54.96061

INPA_1339. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia entre lago próx. da comunidade e pontal: -2.50454 -54.96061

INPA_1341. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia entre lago próx. da comunidade e pontal: -2.50454 -54.96061

INPA_1158. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia Ponta do Cururu até barracas próximas à praça (aprox. 2 Km de caminhada), ponto 10: -2.50454 -54.96061

INPA_1182. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia próxima ao lago Jacundá, ponto 4: -2.50454 -54.96061

INPA_1187. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão, praia próxima ao lago Muretá, ponto 9: -2.50454 -54.96061

INPA_1432. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão: -2.50454 -54.96061

INPA_225. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão: -2.50454 -54.96061

INPA_493. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão: -2.50454 -54.96061

INPA_974. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão: -2.50454 -54.96061

INPA_988. Brazil: Pará: Santarém: (Amazon - Tapajós): rio Tapajós: Alter do Chão: -2.50454 -54.96061

INPA_1358. Brazil: Tocantins: Caseara: (Tocantins - Araguaia): rio Araguaia: -9.23073 -49.96436

RMNH_327157. Para, Brasile

FMNH_112109B. Rio Tapirape, trib. to Rio Araguaia, Mato Grosso, Brazil

French Guiana

IRSNB_MP_0944
Cayenne

Guyana

AMS_1732 British Guiana	IRSNB_MP_0937 British Guiana	USNM_339717 British Guiana
USNM_339717 British Guiana	MNHN_MP_0799 British Guyana	AMNH_31271 Guiana
ZMB_MP_0222 Guiana	SMF_11760 Guyana	ZMB_MP_0227 Guyana
MNHN_MP_0788 Guyane	BMNH_MP_171 Semuni Creek, [Simoni River], Rupununi River Dr., Station 665, British Guiana

Peru

MNHN_MP_0648
Perou

unknown

CM_61.1525 ?, South America	AMNH_31273 [no locality available - South America]	ANSP_45723 [no locality available - South America]
BMNH_1851-11-3-373 [no locality available - South America]	BMNH_MP_130 [no locality available - South America]	BMNH_MP_150 [no locality available - South America]
MCZ_MP.92 [no locality available - South America]	MNHN_MP_0781 [no locality available - South America]	SMF_11759 [no locality available - South America]
USNM_853812 [no locality available - South America]	ZMB_7479 [no locality available - South America]	ZMB_7480 [no locality available - South America]
ZMB_MP_0226 [no locality available - South America]	DMNH_149926 lower Amazon River, Brazil	AMNH_31274 South America
FMNH_142704 South America	MNHN_MP_0800 Uruguay [no]

Venezuela

UCM_36453 Lake Fundacion, 20 km E Soledad, on floodplain of the Orinoco River, Anzoategui, Venezuela	UCM_36453 Lake Fundacion, 20 km E Soledad, on floodplain of the Orinoco River, Anzoategui, Venezuela	UCM_36454 Lake Tineo, 15 km E Soledad, on floodplain of the Orinoco River, Anzoategui, Venezuela
UCM_36454 Lake Tineo, 15 km E Soledad, on floodplain of the Orinoco River, Anzoategui, Venezuela	UCM_36458 Lake Tineo, 15 km E Soledad, on floodplain of the Orinoco River, Anzoategui, Venezuela	UCM_36458 Lake Tineo, 15 km E Soledad, on floodplain of the Orinoco River, Anzoategui, Venezuela
MNHN_MP_0656 Orenoque	ANSP_125546 Orinoco River	SMF_319657 Pemones Indian Reserve Territory (Orinoco Dr.) Venezuela