Select Ocean (marine/brackish) or Continent (freshwater):
Africa-Inland Waters [1] America, North - Inland waters [2] America, South - Inland waters [3] Asia - Inland waters [4] Europe - Inland waters [5] Oceania - Inland waters [6] Former USSR - Inland waters [7] Antarctica - Inland waters [8] Arctic Ocean [18] Atlantic, Northwest [21] Atlantic, Northeast [27] Atlantic, Western Central [31] Atlantic, Eastern Central [34] Mediterranean and Black Sea [37] Atlantic, Southwest [41] Atlantic, Southeast [47] Atlantic, Antarctic [48] Indian Ocean, Western [51] Indian Ocean, Eastern [57] Indian Ocean, Antarctic [58] Pacific, Northwest [61] Pacific, Northeast [67] Pacific, Western Central [71] Pacific, Eastern Central [77] Pacific, Southwest [81] Pacific, Southeast [87] Pacific, Antarctic [88] All areas (World total) [99]
Scientific Name
English Name
Distribution
Max. Length (cm)
Megayoldia martyria oblique yoldia
Eastern Pacific.
Megayoldia montereyensis Monterey yoldia
Eastern Pacific.
Megayoldia thraciaeformis broad yoldia
Western Atlantic, Norther
6.5 TL
Orthoyoldia lepidula Western Central Pacific
Portlandia aestuariorum estuary yoldia
Atlantic Ocean and the Ar
Portlandia arctica Arctic yoldia
Atlantic Ocean, Eastern P
Portlandia fraterna Arctic and Western Atlant
Portlandia frigida Arctic and Northwest Atla
Portlandia intermedia intermediate yoldia
Arctic, Eastern Pacific a
Portlandia isonota Kerguelen nut shell
Endemic to Kerguelen.
Portlandia lenticula lenticulate yoldia
Northern Atlantic and the
Portlandia minuscula Western Atlantic.
0.2 DL
Portlandia pachia Western Atlantic.
Portlandia pygmaea Western Atlantic.
Scissileda tropica Western Indian Ocean
Yoldia amygdalea Arctic and Northwest Atla
Yoldia beringiana Canada
Yoldia callista Western Atlantic.
0.25 DL
Yoldia cooperii Cooper yoldia
Eastern Pacific.
Yoldia eightsii Antarctic yoldia
Eastern Pacific, Southwes
3 SHL
Yoldia hyperborea northern yoldia
Atlantic Ocean, Eastern P
Yoldia limatula file yoldia
Arctic and Western Atlant
5 DL
Yoldia liorhina Western Central Atlantic
1.3 DL
Yoldia micrometrica Mediterranean Sea
Yoldia minima Mediterranean Sea.
Yoldia myalis oval yoldia
Atlantic Ocean, Eastern P
Yoldia sapotilla shot yoldia
Western Atlantic and the
3.5 DL
Yoldia scissurata Northern Pacific and the
Yoldia seminuda oblique-lined yoldia
Arctic and Pacific Ocean.
4 TL
Yoldia similis Northwest Pacific.
Yoldia solenoides Western Atlantic.
1.25 DL
Yoldia woodwardi Southeast Pacific, Southw
2 DL
Yoldiella antarctica Antarctic Atlantic
Yoldiella cecinella Northeast Atlantic
Yoldiella chilenica Southeast Pacific.
Yoldiella curta Northeast Atlantic
Yoldiella dicella Northeast Atlantic
Yoldiella dissimilis different yoldia
Northern Atlantic.
Yoldiella ecaudata Antarctic
0.3 SHL
Yoldiella expansa Northeast Atlantic
Yoldiella fraterna Arctic and Northern Atlan
Yoldiella frigida frigid yoldia
Atlantic, Arctic and the
0.4 DL
Yoldiella granula Southeast Pacific and Wes
0.3 DL
Yoldiella inconspicua inconspicuous yoldia
Atlantic Ocean. Temperate
Yoldiella indolens Southeast Pacific.
Yoldiella inflata Northeast Atlantic
Yoldiella insculpta Northeast Atlantic
Yoldiella intermedia Northeast Atlantic and th
Yoldiella iris Northeast Atlantic
Yoldiella jeffreysi Northeast Atlantic
Yoldiella lenticula Northeast Atlantic and th
Yoldiella librata Southwest Pacific
Yoldiella lucida iridescent yoldia
Atlantic Ocean and Medite
Yoldiella messanensis Eastern Atlantic.
Yoldiella nana sibling yoldia
Atlantic Ocean, Eastern P
Yoldiella obesa Western Atlantic.
0.55 DL
Yoldiella oblonga Antarctic
0.4 SHL
Yoldiella oleacina Northeast Atlantic
Yoldiella orcia California yoldia
Eastern Pacific and North
Yoldiella ovulum Mediterranean Sea.
Yoldiella philippiana Northeast Atlantic and th
Yoldiella profundorum Northeast Atlantic
0.45 DL
Yoldiella propinqua Northeast Atlantic
Yoldiella pusilla Northeast Atlantic
Yoldiella sabrina Antarctic Atlantic.
Yoldiella sanesia Northeast Atlantic
Yoldiella siliqua Northeast Atlantic
Yoldiella solidula Atlantic Ocean and the Ar
0.36 DL
Yoldiella striolata Northeast Atlantic and th
Yoldiella subaequilatera Northeast Atlantic
Yoldiella subangulata Northeast Atlantic
Yoldiella tamara Arctic miniature-nutclam
Northeast Atlantic and th
Yoldiella triolatae Mediterranean Sea.
Yoldiella valettei Southeast Pacific, Wester
Yoldiella wareni Mediterranean Sea.