• Trigonella Conrad, 1837 accepted as Tivela Link, 1807 [Family: Veneridae]
• Trigonella da Costa, 1778 accepted as Mactra Linnaeus, 1767 [Family: Mactridae]
• Trigonella Hehl, 1842 † accepted as Myophoria Bronn in Alberti, 1834 † [Family: Myophoriidae]
• Trigonella Linnaeus, 1753 [Family: Fabaceae]
• Trigonella Quenstedt, 1868 (uncertain) [Family: Brachiopoda (awaiting allocation)]
• Trigonella Rozkowska, 1979 † accepted as Rozkowskaella Wrzolek, 1987 † [Family: Rugosa (awaiting allocation)]
• Trigonella Sakagami, 1975 † (uncertain) [Family: Apidae]
• Trigonella adscendens (Nevski) Afan. & Gontsch.
• Trigonella afghanica Vassilcz.
• Trigonella americana Nutt. accepted as Acmispon americanus (Nutt.) Rydb.
• Trigonella anguina Delile
• Trigonella aphanoneura Rech. f.
• Trigonella arabica Delile
• Trigonella arborea (L.) Vassilcz. accepted as Medicago arborea Linnaeus
• Trigonella archiducis-nicolai (Sirj.) Vassilcz. accepted as Medicago archiducis-nicolai Sirj.
• Trigonella arcuata C.A. Mey. accepted as Medicago medicaginoides (Retz.) E. Small
• Trigonella aristata (Vassilcz.) Sojak
• Trigonella aschersoniana Urb. accepted as Medicago hypogaea E. Small
• Trigonella astroides Fisch. & C.A. Mey.
• Trigonella astroites Fisch. & C.A. Mey. accepted as Medicago astroites (Fisch. & C.A. Mey.) Trautv.
• Trigonella aurantiaca Boiss. accepted as Medicago phrygia (Boiss. & Balansa) E. Small
• Trigonella azurea C.A. Mey. accepted as Trigonella coerulescens (M. Bieb.) Halacsy
• Trigonella bactriana Vassilcz. accepted as Trigonella cachemiriana Cambess.
• Trigonella badachschanica Afan.
• Trigonella balachowskyi Leredde
• Trigonella balansae Boiss. & Reut.
• Trigonella berythea Boiss. & Blanche
• Trigonella besserana Ser. accepted as Trigonella procumbens (Besser) Rchb.
• Trigonella besseriana Ser. accepted as Trigonella procumbens (Besser) Rchb.
• Trigonella bicolor (Boiss. & Balansa) Lassen
• Trigonella biflora Griseb. accepted as Trigonella lunata Boiss.
• Trigonella brachycarpa (M. Bieb.) Moris accepted as Medicago brachycarpa M. Bieb.
• Trigonella brahuica Boiss. accepted as Medicago monantha (C.A. Mey.) Trautv.
• Trigonella brevidentata Blakelock accepted as Trigonella uncinata Banks & Sol.
• Trigonella cachemeriana Cambess. accepted as Trigonella cachemiriana Cambess.
• Trigonella cachemiriana Cambess.
• Trigonella cachemyriana Cambess.
• Trigonella caelesyriaca Boiss.
• Trigonella caerulea (L.) Ser.
• Trigonella calliceras Fisch.
• Trigonella cancellata Pers. accepted as Medicago medicaginoides (Retz.) E. Small
• Trigonella capitata Boiss.
• Trigonella cariensis Boiss.
• Trigonella cedretorum Vassilcz.
• Trigonella coelesyriaca Boiss. accepted as Trigonella caelesyriaca Boiss.
• Trigonella coerulea (Desr.) Ser. accepted as Trigonella caerulea (L.) Ser.
• Trigonella coerulescens (M. Bieb.) Halacsy
• Trigonella corniculata (L.) L. accepted as Trigonella balansae Boiss. & Reut.
• Trigonella corniculata sensu auct. accepted as Trigonella esculenta Willd.
• Trigonella crassipes (Boiss.) E. Small accepted as Medicago crassipes (Boiss.) E. Small
• Trigonella cretacea (M. Bieb.) Taliev accepted as Medicago cretacea M. Bieb.
• Trigonella cretica (L.) Boiss.
• Trigonella crossei Dunker, 1877 accepted as Mactra crossei (Dunker, 1877)
• Trigonella cylindracea Desv.
• Trigonella cylindrica Desv. accepted as Trigonella cylindracea Desv.
• Trigonella darvasica Vassilcz. accepted as Trigonella popovii Korovin
• Trigonella dasycarpa (Ser.) Vassilcz.
• Trigonella disperma Vassilcz. accepted as Trigonella elliptica Boiss.
• Trigonella dura Vis. accepted as Trigonella maritima Poir.
• Trigonella edelbergii (Sirj. & Rech. f.) Rech. f.
• Trigonella elatior Sm. accepted as Trigonella esculenta Willd.
• Trigonella elliptica Boiss.
• Trigonella emodi Benth.
• Trigonella eremophila Freyn & Paulsen accepted as Trigonella grandiflora Bunge
• Trigonella esculenta Willd.
• Trigonella euboica Rech. f. accepted as Trigonella balansae Boiss. & Reut.
• Trigonella falcata Balf. f.
• Trigonella filipes Boiss.
• Trigonella fimbriata Benth.
• Trigonella fischerana Ser. accepted as Medicago fischeriana (Ser.) Trautv.
• Trigonella fischeriana Ser. accepted as Medicago fischeriana (Ser.) Trautv.
• Trigonella foenum-graecum Linnaeus
• Trigonella freitagii Vassilcz.
• Trigonella gallina da Costa, 1778 accepted as Spisula solida (Linnaeus, 1758)
• Trigonella geminiflora Bunge
• Trigonella gemmiflora Bunge accepted as Trigonella geminiflora Bunge
• Trigonella gharuensis Rech. f.
• Trigonella glabra Thunb.
• Trigonella gladiata M. Bieb.
• Trigonella glomerata auct. accepted as Medicago brachycarpa M. Bieb.
• Trigonella gontscharovii Vassilcz.
• Trigonella gordejevi (Kom.) Grossh. accepted as Trifolium gordejevii (Kom.) Z. Wei
• Trigonella gordejevii (Kom.) Grossh. accepted as Trifolium gordejevii (Kom.) Z. Wei
• Trigonella gracilis Benth.
• Trigonella graeca (Boiss. & Spruner) Boiss.
• Trigonella grandiflora Bunge
• Trigonella greminiflora Bunge accepted as Trigonella geminiflora Bunge
• Trigonella griffithii Boiss.
• Trigonella grossheimii Vassilcz. accepted as Trigonella cachemiriana Cambess.
• Trigonella hamosa sensu auct. accepted as Trigonella glabra Thunb.
• Trigonella heratensis Rech. f.
• Trigonella hybrida Pourr. accepted as Medicago hybrida (Pourr.) Trautv.
• Trigonella incisa Benth. accepted as Medicago monantha (C.A. Mey.) Trautv.
• Trigonella indica Linnaeus accepted as Rothia indica (L.) Druce
• Trigonella ionantha Rech. f.
• Trigonella iskanderi Vassilcz.
• Trigonella kafirniganica Vassilcz.
• Trigonella karkarensis Vassilcz. accepted as Medicago platycarpa (L.) Trautv.
• Trigonella koeiei Sirj. & Rech. f.
• Trigonella komarovii Lipsky accepted as Ophiocarpus aitchisonii (Baker) Podlech