@article{fdi:010085998, title = {{D}actylogyridae 2022 : a meta-analysis of phylogenetic studies and generic diagnoses of parasitic flatworms using published genetic and morphological data}, author = {{K}mentova, {N}. and {C}ruz-{L}aufer, {A}. {J}. and {P}ariselle, {A}ntoine and {S}meets, {K}. and {A}rtois, {T}. and {V}anhove, {M}. {P}. {M}.}, editor = {}, language = {{ENG}}, abstract = {{D}actylogyridae is one of the most studied families of parasitic flatworms with more than 1000 species and 166 genera described to date including ecto- and endoparasites. {D}actylogyrid monogeneans were suggested as model organisms for host-parasite macroevolutionary and biogeographical studies due to the scientific and economic importance of some of their host lineages. {C}onsequently, an array of phylogenetic research into different dactylogyrid lineages has been produced over the past years but the last family-wide study was published 16 years ago. {H}ere, we provide a meta-analysis of the phylogenetic relationships of {D}actylogyridae including representatives of all genera with available molecular data (n = 67). {F}irst, we investigate the systematic informativeness of morphological characters widely used to diagnose dactylogyrid genera through a parsimony analysis of the characters, character mapping, and phylogenetic comparative methods. {S}econd, we provide an overview of the current state of the systematics of the family and its subfamilies, and summarise potentially poly- and paraphyletic genera. {T}hird, we elaborate on the implications of taxonomic, citation, and confirmation bias in past studies. {F}ourth, we discuss host range, biogeographical, and freshwater-marine patterns. {W}e found two wellsupported macroclades which we assigned to the subfamilies {D}actylogyrinae and {A}ncyrocephalinae. {T}hese subfamilies further include 16 well-supported clades with only a few synapomorphies that could be deduced from generic diagnoses in the literature. {F}urthermore, few morphological characters considered systematically informative at the genus level display a strong phylogenetic signal. {H}owever, the parsimony analysis suggests that these characters provide little information on the relationships between genera. {W}e conclude that a strong taxonomic bias and low coverage of {DNA} sequences and regions limit knowledge on morphological and biogeographical evolutionary patterns that can be inferred from these results. {W}e propose addressing potential citation and confirmation biases through a 'level playing field' multiple sequence alignment as provided by this study.}, keywords = {{M}onogenea ; {P}arasitic flatworms ; {B}iogeography ; {H}ost-parasite interactions}, booktitle = {}, journal = {{I}nternational {J}ournal for {P}arasitology}, volume = {52}, numero = {7}, pages = {427--457}, ISSN = {0020-7519}, year = {2022}, DOI = {10.1016/j.ijpara.2022.01.003}, URL = {https://www.documentation.ird.fr/hor/fdi:010085998}, }