From: Fossil-calibrated molecular phylogeny of atlantid heteropods (Gastropoda, Pterotracheoidea)
Calibrated node | Calibration type | Age | Oldest age (Ma) | Youngest age (Ma) | M | S | Offset | Prior dist. | Reference |
---|---|---|---|---|---|---|---|---|---|
Superfamily Pterotracheoidea | Fossil: Coelodiscus minutus | Pliensbachian | 190.8 | 170.3 | 3.00 | 0.80 | 182.7 | Log-normal | [8] |
Family Atlantidae | Fossil: Bellerophina minuta | Albian | 113 | 100.5 | 4.00 | 1.00 | 100.5 | Log-normal | [14] |
Genus Atlanta | Fossil: Atlanta sp. | Chattian | 28.1 | 23.03 | 2.40 | 0.55 | 23.03 | Log-normal | [16] |
Clade Oxygyrus+ Protatlanta | Fossil: Atlantidea rotundata | Langhian | 15.97 | 13.82 | 0.90 | 0.65 | 13.82 | Log-normal | [17] |
Genus Protatlanta | Fossil: Protatlanta kbiraensis | Langhian | 15.97 | 13.82 | 0.90 | 0.65 | 13.82 | Log-normal | [16] |
Clade Atlanta peronii | Fossil: Atlanta peronii | Piacenzian | 3.6 | 2.58 | 0.51 | 0.50 | 2.58 | Log-normal | [11] |