“Angela was a loved daughter, sister, mum and aunty and will be sadly missed,” Ms Shellis’ family said in a statement.
North Wales Police’s Det Ch Insp Andy Gibson said: “The family are being supported by specialist trained officers and ask their privacy is respected during this tragic time.
“Whether you believe you have anything of significance to offer the investigation, it is imperative that we identify any persons in the area during these key times.”
He added: “A warrant of further detention was granted at Mold Magistrates Court on Saturday 25 October to allow us to keep the male in custody, whilst the investigation continues.”