Evolution and phylogeny of the deep-sea isopod families Desmosomatidae Sars, 1897 and Nannoniscidae Hansen, 1916  (Isopoda: Asellota).

Supporting these findings, model testing with LTT generated a statistically significant better fit of the birth–death model (speciation + extinction) over the speciation-only Yule model (likelihood ratio test chi 2 p value 0.030), and the Pybus-Harvey gamma statistic was positive (1.7347), indicating that the speciation rate was initially low and subsequently increased (though this statistic was marginally significant at p = 0.083).

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