Journal
NATURWISSENSCHAFTEN
Volume 91, Issue 1, Pages 22-25Publisher
SPRINGER
DOI: 10.1007/s00114-003-0489-1
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Funding
- NATIONAL INSTITUTE OF ARTHRITIS AND MUSCULOSKELETAL AND SKIN DISEASES [R01AR047364, R01AR042177] Funding Source: NIH RePORTER
- NIAMS NIH HHS [R01 AR042177-08, R01 AR047364-02, R01 AR042177-07, R01 AR042177, R01 AR042177-09, R01 AR042177-08S1, R01 AR047364-01A2, R01 AR042177-07S1, R01 AR047364] Funding Source: Medline
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We report on a new Mesozoic bird, Longirostravis hani, from the Early Cretaceous Jehol Biota of northeastern China. The new taxon has a long, slender rostrum and mandible, and a small number of rostralmost teeth. Postcranial characters such as a furcular ramus wider ventrally than dorsally, a centrally concave proximal margin of the humeral head, and a minor metacarpal that projects distally more than the major metacarpal, support the placement of Longirostravis within euenantiornithine Enantiornithes, the most diverse clade of Mesozoic birds. The morphology of the skull, however, suggests that Longirostravis had a probing feeding behavior, a specialization previously unknown for Enantiornithes. Indeed, this discovery provides the first evidence in support of the existence of such a foraging behavior among basal lineages of Mesozoic birds.
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