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Table 3 Optima (minima and maxima) in millions of years derived for each clade

From: Unusual conservation of mitochondrial gene order in Crassostreaoysters: evidence for recent speciation in Asia

Clade name Mean (Myr) SD (Myr) Minima (Myr) Maxima (Myr)
Aplysia californica : Pupa strigosa 257.434 18.841 220.719 295.515
Albinaria caerulea: (Aplysia californica : Pupa strigosa) 355.753 18.063 320.518 391.260
Cepaea nemoralis : (Albinaria caerulea : (Aplysia californica : Pupa strigosa)) 390.342 18.392 354.283 426.306
Mytilus edulis : Mytilus galloprovincialis 2.474 0.553 1.556 3.717
Chlamys farreri : Mizuhopecten yessoensis 46.142 5.483 36.418 57.765
Placopecten magellanicus : (Chlamys farreri : Mizuhopecten yessoensis) 88.175 9.537 70.950 108.724
Argopecten irradians : (Placopecten magellanicus : (Chlamys farreri : Mizuhopecten yessoensis)) 113.296 11.374 92.757 137.153
Crassostrea angulata : C. gigas 2.723 0.397 2.025 3.577
C. sikamea : (C. angulata : C. gigas) 16.469 2.040 12.770 20.885
C. hongkongensis : C. ariakensis 22.316 2.786 17.333 28.334
(C. hongkongensis : C. ariakensis): (C. sikamea : (C. angulata : C. gigas)) 28.781 3.448 22.615 36.222
C. iredalei : ((C. hongkongensis : Cr. ariakensis): (C. sikamea : (C. angulata : C. gigas))) 42.770 5.051 33.622 53.649
C. virginica : (C. iredalei : ((C. hongkongensis : C. ariakensis): (C. sikamea : (C. angulata : C. gigas)))) 82.651 9.015 66.209 101.967
Saccostrea mordax (C. virginica : (C. iredalei : ((C. hongkongensis : C. ariakensis): (C. sikamea : (C. angulata : C. gigas))))) 109.049 11.125 88.800 132.464
Ostreoida: Pectinoida 421.475 18.890 384.824 4.58.57
Mytiloida: (Ostreoida: Pectinoida) 479.361 16.121 448.075 510.635
Gastropoda: Bivalvia 540.866 11.359 522.899 560.657