@article{fdi:010062872, title = {{T}he first modern solitary {A}gariciidae ({A}nthozoa, {S}cleractinia) revealed by molecular and microstructural analysis}, author = {{K}itahara, {M}. {V}. and {S}tolarski, {J}. and {C}airns, {S}. {D}. and {B}enzoni, {F}rancesca and {S}take, {J}. {L}. and {M}iller, {D}. {J}.}, editor = {}, language = {{ENG}}, abstract = {{D}actylotrochus cervicornis (= {T}ridacophyllia cervicornis {M}oseley, 1881), which occurs in {I}ndo-{P}acific waters between 73 and 852 m, was originally described as an astraeid but was later transferred to the {C}aryophylliidae. {A}ssumed to be solitary, this species has no stolons and only one elongated fossa, and is unique among azooxanthellate scleractinians in often displaying extremely long thecal extensions that are septate and digitiform. {B}ased on both molecular phylogenetic analyses (partial mitochondrial {CO}1 and 16{S} r{DNA}, and partial nuclear 28{S} r{DNA}) and morphological characteristics, we propose the transfer of {D}. cervicornis from the {C}aryophylliidae to the {A}gariciidae, making it the first extant representative of the latter family that is solitary and from deep water (azooxanthellate). {T}he basal position of {D}. cervicornis within the agariciids implied by our analyses strengthens the case for inclusion of fossil species that were solitary, such as {T}rochoseris, in this family and suggests that the ancestor of this scleractinian family, extant members of which are predominantly colonial and zooxanthellate, may have been solitary and azooxanthellate.}, keywords = {{NOUVELLE} {CALEDONIE} ; {PACIFIQUE}}, booktitle = {}, journal = {{I}nvertebrate {S}ystematics}, volume = {26}, numero = {3}, pages = {303--315}, ISSN = {1445-5226}, year = {2012}, DOI = {10.1071/is11053}, URL = {https://www.documentation.ird.fr/hor/fdi:010062872}, }