FIGURE 1. Lavanttalornis hassleri gen. et sp. nov., holotype, specimen LMK-Pal 7453a+b from Lavanttal, Austria, middle Miocene. A, slab A after exposing all the bones and removing the coracoid; B, slab B (counterslab of the wing bones visible on slab A); C, fragment of slab A before removal of the coracoid. Abbreviations: lcs, left scapula; lhu, left humerus; rcm, right carpometacarpus; rco, right coracoid; rcs, right scapula; rhu, right humerus; rmin, right phalanx digiti minoris; rpda, right phalanx digiti alulae; rpdm, right phalanx proximalis digiti majoris; rra, right radius; rul, right ulna. Scale bar equals 10 mm.
FIGURE 2. Lavanttalornis hassleri gen. et sp. nov., holotype, specimen LMK-Pal 7453c+d from Lavanttal, Austria, middle Miocene. A, slab C; B, slab D (counterslab of slab C). Abbreviations: lcm, left carpometacarpus; lfe, left femur; ltb, left tibiotarsus; pel, pelvis; rfe, right femur; rtb, right tibiotarsus; sku, skull; ver, vertebrae. Scale bar equals 10 mm.
FIGURE 3. Comparison of the right coracoid. A-E, Lavanttalornis hassleri gen. et sp. nov., holotype, specimen LMK-Pal 7453a’ from Lavanttal, Austria, middle Miocene (removed from slab A) in ventral, dorsal, lateral, medial and dorsomedial views; F-G, Dendrocygna bicolor (Dendrocygninae); H-I, Oxyura jamacensis (Oxyurinae); J-K, Melanitta nigra (Anatinae: Mergini); L-M, Aix galericulata (incerte sedis); N-O, Aythya fuligula (Anatinae: Aythyni); P-R, Anas platyrhynchos (Anatinae: Anatini); S-T, Tadorna tadorna (Anatinae: Tadornini). Extant specimens are shown in ventral (left) and dorsal (right) views. Abbreviations: agm, angulus medialis; csc, cotyla scapularis; car, crista acrocoracoidea; fah, facies articularis humeralis; fas, facies articularis sternalis; pac, processus acrocoracoideus; ppc, processus procoracoideus; sac, sulcus m. acrocoracoidei; tbr, tuberculum brachiale. Scale bars equal 10 mm.
FIGURE 4. Lavanttalornis hassleri gen. et sp. nov., holotype, specimen LMK-Pal 7453a+b+d from Lavanttal, Austria, middle Miocene. A, proximal left humerus in cranial view and proximal left scapula in medial view (preserved on slab A); B, proximal right humerus in dorsocaudal view (preserved on slab B); C, distal left humerus in cranial view (preserved on slab A); D, right carpometacarpus in dorsal view (preserved on slab B); E, distal right tibiotarsus in anterolateral view (preserved on slab D); F, right proximal radius in anterior view (preserved on slab B); G, right distal radius in posterior view (preserved on slab A). Abbreviations: acr, acromion; cdd, condylus dorsalis; cdv, condylus ventralis; cla, condylus lateralis; cme, condylus medialis; ctu, capital tuberosity; fbr, fossa m. brachialis; fts - facet of the tuberculum supracondylare ventrale (attachment of the anterior articular ligament); ica, incisura capitis; ini, incisura intercondylaris; oma, os metacarpale majus; pal, processus alularis; pex, processus extensorius; pfl, processus flexorius; psu, pons supratendineus; se, sharp edge; syd, symphysis metacarpalis distalis; tav, tuberculum aponeurosis ventralis; tdo, tuberculum dorsale; tve, tuberculum ventrale. Scale bar equals 10 mm.
FIGURE 5. Comparison of the right phalanx proximalis digiti majoris in dorsal view. A, Lavanttalornis hassleri gen. et sp. nov., holotype, specimen LMK-Pal 7453b from Lavanttal, Austria, middle Miocene (preserved on slab B); B, Dendrocygna bicolor (Dendrocygninae); C, Oxyura jamacensis (Oxyurinae); D, Melanitta nigra (Anatinae: Mergini); E, Tadorna ferruginea (Anatinae: Tadornini); F, Aythya ferrina (Anatinae: Aythyni); G, Anas platyrhynchos (Anatinae: Anatini); H, Spatula clypeata (Anatinae: Anatini); I, Aix galericulata (incerte sedis). The phalanges of extant species are shown in the same size as the fossil phalanx to facilitate comparison. Abbreviations: pcr, pila cranialis. Scale bars equal 10 mm.
FIGURE 6. A, skull and pelvis of Lavanttalornis hassleri gen. et sp. nov., holotype, specimen LMK-Pal 7453c from Lavanttal, Austria, middle Miocene (preserved on slab C); B, pelvis of Anas platyrhynchos (Anatinae: Anatini); C, pelvis of Aythya fuligula (Anatinae: Aythyni). Abbreviations: ant, antitrochanter; fin, foramina intertransversaria; isc, ala ischii; nos, nostril; poi, ala postacetabularis ilii; pri, ala preacetabularis ilii; ram, ramus mandibulae (inside surface of right branch). Scale bars equal 10 mm.
