Morsoravis sedilis was named by Bertelli et al. (2010) [A small bird with a rhynchokinetic skull exhibiting a greatly perforated interorbital septum; scleral ring with 12 ossicles; a distinct division between zygomatic and suprameatic processes, with approximately same length than the postorbital process; a quadrate with a strong and extensive tympanic crest; a mandible with a prominent, dorsally recurved retroarticular process; caudalmost cervical, cervico‐thoracic and thoracic vertebrae with laterally deeply excavated centra, and thoracic vertebrae not heterocoelous; short and broad pelvis with unfused postacetabular iliac blades; short hindlimbs – tarsometatarsus half length of tibiotarsus; tibiotarsus with thick and hooked lateral cnemial crest, and an ossified retinaculum on the bone’s distal portion; tarsometatarsus with widely separated proximal vascular foramina, a trochleae accessoriae metatarsalia II and a metatarsal I with an elongated hallux.]. Its type specimen is MGUH 28930, a partial skeleton (an incomplete skeleton preserving the skull and mandible, the entire postatlas vertebral column, the pelvis, left hindlimb, the right femur and proximal part of), and it is a 3D body fossil. Its type locality is Klitgarden, Mors (Copenhagen collection), which is in a Ypresian offshore ramp diatomite/volcaniclastic in the Fur Formation of Denmark.