The fossil was recovered from outcrops of the Las Peñosas Formation in Rábago, part of the Cantabria autonomous community in Northern Spain.

[1] Necroraphidia was first studied by group of paleoentomologists led by Ricardo Pérez-de la Fuente of the University of Barcelona and including Enrique Peñalver, Xavier Delclòs, and Michael S. Engel.

The specific epithet arcuata is derived from the Latin arcuatus, meaning "bent", a reference to the distinct structure of the pterostigmal crossvein.

The hyaline forewings are partially preserved and display brown vein structuring that hosts robust setae.

The forewing of Ororaphidia is notably larger at 11.4 millimetres (0.45 in) and also displays distinct shapes to both the pterostigmal cross vein and second radial cell.