MUSSELpdb

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Unionidae

Margaritiferidae

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Species & Genus Richness by
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Geography

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Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio

species Unio delphinus Spengler, 1793: specimens

38 available nominal species synonyms (45 total synonyms)

Recent Taxonomic Opinions

Unio delphinus — Araujo et al. (2009), Khalloufi et al. (2011), IUCN (2011), Graf & Cummings (2011), Fauna Europaea (2012), ... Ma et al. (2024), Dai et al. (2025), Wu et al. (2025), Chen et al. (2025), Hou et al. (2025)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Range

Atlantic basins of the Iberian Peninsula and Morocco.

Map of Georeferenced Specimens

MUSSELp Specimen Records

France

MNHN_22547. La Grosne, à Marnay (Saône-et-Loire)

MNHN_22549. La Loire à Nantes (Loire-Infereur)

MNHN_22563. La Loire, près Angers

MNHN_22548. La Saône, à Châlon-sur-Saône

MNHN_22564. la Saône, à Collonges (Rhône)

MNHN_22546. Varennes (Jura)

Morocco

Portugal

BMNH_92-2-4-1975. Portugal

Genbank Vouchers

Georeferenced Genbank Vouchers

Portugal

Mp_3580_UpictTU2.7. (16S: EF571380, COI: EF571435, go to Genbank) Abrantes, Tagus River, Tagus Basin, Portugal.

Mp_3580_UpictABR1.19. (16S: EF571345, COI: EF571413, go to Genbank) Abreiro, Tua River, Douro Basin, Portugal.

Mp_3580_UpictABR2.19. (16S: EF571346, COI: EF571414, go to Genbank) ditto.

Mp_3580_UpictME1.23. (16S: EF571364, COI: EF571426, go to Genbank) Capinha, Meimoa River, Tagus Basin, Portugal.

Mp_3580_UpictME2.23. (16S: EF571365, COI: EF571427, go to Genbank) ditto.

Mp_3580_UpictPN2.24. (16S: EF571369, COI: EF571430, go to Genbank) Castelo Branco, Pônsul River, Tagus Basin, Portugal.

Mp_3580_UpictPN3.24. (16S: EF571370, go to Genbank) ditto.

Mp_3580_UpictPON1.24. (16S: EF571371, COI: EF571431, go to Genbank) ditto.

Mp_3580_UpictPON2.24. (16S: EF571372, COI: EF571432, go to Genbank) ditto.

Mp_3580_UpictCOU2.12. (16S: EF571353, COI: EF571419, go to Genbank) Castelo Melhor, Côa River, Douro Basin, Portugal.

Mp_3580_UpictSB1.15. (16S: EF571375, go to Genbank) Cilhade, Sabor River, Douro Basin, Portugal.

Mp_3580_UpictSB2.15. (16S: EF571376, COI: EF571433, go to Genbank) ditto.

MNCN_COU1. (16S: KX400216, COI: EF571418, go to Genbank) Coa (Duero) River, Portugal.

Mp_3580_UpictAG1.1. (16S: EF571347, go to Genbank) Escalhão, Águeda River, Douro Basin, Portugal.

Mp_3580_UpictAG2.1. (16S: EF571348, go to Genbank) ditto.

Mp_3580_UpictVCU1.9. (16S: EF571384, COI: EF571440, go to Genbank) Espirito Santo, Vascão River, Guadiana Basin, Portugal.

Mp_3580_UpictVCU2.9. (16S: EF571385, COI: EF571441, go to Genbank) ditto.

Mp_3580_UpictAR1.6. (16S: EF571349, go to Genbank) Ladoeiro, Aravil River, Tagus Basin, Portugal.

Mp_3580_UpictAR2.6. (16S: EF571350, go to Genbank) ditto.

Mp_3580_UpictARP1.6. (COI: EF571415, go to Genbank) ditto.

Mp_3580_UpictARP2.6. (COI: EF571416, go to Genbank) ditto.

Mp_3580_UpictARS1.6. (16S: EF571351, COI: EF571417, go to Genbank) ditto.

Mp_3580_UpictARS2.6. (16S: EF571352, go to Genbank) ditto.

Mp_3580_UpictMER2.21. (16S: EF571366, COI: EF571428, go to Genbank) Mertola, Guadiana River, Guadiana Basin, Portugal.

Mp_3580_UpictRA1.14. (16S: EF571373, go to Genbank) Miradeses, Rabaçal River, Douro Basin, Portugal.

Mp_3580_UpictRA2.14. (16S: EF571374, go to Genbank) ditto.

Mp_3580_UpictSBR1.16. (16S: EF571377, go to Genbank) Mogadouro, Sabor River, Douro Basin, Portugal.

Mp_3580_UpictMBU1.17. (16S: EF571362, go to Genbank) Mondim-de-Basto, Tâmega River, Douro Basin, Portugal.

Mp_3580_UpictMBU2.17. (16S: EF571363, go to Genbank) ditto.

Mp_3580_UpictGUA11.20. (16S: EF571354, COI: EF571420, go to Genbank) Moura, Guadiana River, Guadiana Basin, Portugal.

Mp_3580_UpictGUA2.20. (16S: EF571355, go to Genbank) ditto.

Mp_3580_UpictGUA4.20. (16S: EF571356, COI: EF571421, go to Genbank) ditto.

Mp_3580_UpictGUA5.20. (16S: EF571357, COI: EF571422, go to Genbank) ditto.

Mp_3580_UpictTUA1.18. (COI: EF571436, go to Genbank) mouth of Tua River, Douro Basin, Portugal.

Mp_3580_UpictTUA2.18. (16S: EF571381, COI: EF571437, go to Genbank) ditto.

Mp_3580_UpictXEU1.3. (16S: EF571386, go to Genbank) Ouguela. Xévora River, Guadiana Basin, Portugal.

Mp_3580_UpictXEU2.3. (COI: EF571442, go to Genbank) ditto.

Mp_3580_UpictMO1.4. (16S: EF571367, COI: EF571429, go to Genbank) Pereira, Mondego River, Mondego Basin, Portugal.

Mp_3580_UpictMO2.4. (16S: EF571368, go to Genbank) ditto.

Mp_3580_UpictL1.22. (16S: EF571358, COI: EF571423, go to Genbank) Ponte-da-Barca, Lima River, Lima Basin, Portugal.

Mp_3580_UpictL2.22. (16S: EF571359, COI: EF571424, go to Genbank) ditto.

Mp_3580_UpictMA1.13. (16S: EF571360, COI: EF571425, go to Genbank) Quintanilha, Maças River, Douro Basin, Portugal.

Mp_3580_UpictMA2.13. (16S: EF571361, go to Genbank) ditto.

Mp_3580_UpictV2.25. (16S: EF571382, COI: EF571438, go to Genbank) Sever do Vouga, Vouga River, Vouga Basin, Portugal.

Mp_3580_UpictV4.25. (16S: EF571383, COI: EF571439, go to Genbank) ditto.

Mp_3580_UpictSDU1.5. (16S: EF571378, COI: EF571434, go to Genbank) Torre Vã, Sado River, Sado Basin, Portugal.

Mp_3580_UpictSDU2.5. (16S: EF571379, go to Genbank) ditto.

Spain

MNCN_N354. (16S: KX400256, go to Genbank) Alberche (Tagus) River, Spain.

MNCN_N355. (16S: KX400257, go to Genbank) ditto.

MNCN_N356. (16S: KX400258, go to Genbank) ditto.

MNCN_N357. (16S: KX400259, go to Genbank) ditto.

MNCN_N362. (16S: KX400260, go to Genbank) ditto.

MNCN_N363. (16S: KX400261, go to Genbank) ditto.

MNCN_N364. (16S: KX400262, go to Genbank) ditto.

MNCN_N409. (16S: KX400264, go to Genbank) ditto.

MNCN_N410. (16S: KX400266, go to Genbank) ditto.

MNCN_N411. (16S: KX400267, go to Genbank) ditto.

MNCN_N582. (16S: KX400284, go to Genbank) ditto.

MNCN_N575. (16S: KX400283, COI: KX399932, go to Genbank) Bornos (Guadalete) River, Spain.

MNCN_N4. (16S: KX400263, go to Genbank) Cofio (Tagus) River, Spain.

MNCN_N1088. (16S: KX400221, COI: KX399904, go to Genbank) Deza (Ulla) River, Spain.

MNCN_N1089. (16S: KX400222, COI: KX399905, go to Genbank) ditto.

MNCN_N1090. (16S: KX400223, COI: KX399906, go to Genbank) ditto.

MNCN_N1091. (16S: KX400224, COI: KX399907, go to Genbank) ditto.

MNCN_N1092. (16S: KX400225, COI: KX399908, go to Genbank) ditto.

MNCN_N838. (16S: KX400312, go to Genbank) Guadalporcún (Guadalete) River, Spain.

MNCN_N839. (16S: KX400313, COI: KX399948, go to Genbank) ditto.

MNCN_N840. (16S: KX400314, go to Genbank) ditto.

MNCN_N841. (16S: KX400315, go to Genbank) ditto.

MNCN_N843. (16S: KX400316, go to Genbank) ditto.

MNCN_N844. (16S: KX400317, go to Genbank) ditto.

MNCN_N481. (16S: KX400269, go to Genbank) Montoro (Guadalquivir) River, Spain.

MNCN_N482. (16S: KX400270, go to Genbank) ditto.

MNCN_N528. (16S: KX400276, go to Genbank) ditto.

MNCN_N529. (16S: KX400277, go to Genbank) ditto.

MNCN_N532. (16S: KX400278, go to Genbank) ditto.

MNCN_N533. (16S: KX400279, go to Genbank) ditto.

MNCN_N537. (16S: KX400282, go to Genbank) ditto.

MNCN_Fw14024. (COI: KX399897, go to Genbank) Tera (Duero) River, Spain.

MNCN_N1624. (16S: KX400233, COI: KX399912, go to Genbank) Ulla River, Spain.

MNCN_N1625. (16S: KX400234, COI: KX399913, go to Genbank) ditto.

MNCN_N1626. (16S: KX400235, COI: KX399914, go to Genbank) ditto.