Tervetuloa vieras
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Tieteellinen nimiYleinen nimiAsema
Hesperornithiformeshigher-level taxonomy
Potamornisfossil genus (extinct)
Potamornis skutchifossil species (extinct)
Chupkaornisfossil genus (extinct)
Chupkaornis keraorumfossil species (extinct)
Hesperornithidaehigher-level taxonomy
Canadagafossil genus (extinct)
Canadaga arcticafossil species (extinct)
Coniornisfossil genus (extinct)
Hesperornisfossil genus (extinct)
Hesperornis altusfossil species (extinct)
Hesperornis bairdifossil species (extinct)
Hesperornis chowifossil species (extinct)
Hesperornis crassipesfossil species (extinct)
Hesperornis gracilisfossil species (extinct)
Hesperornis macdonaldifossil species (extinct)
Hesperornis mengelifossil species (extinct)
Hesperornis montanafossil species (extinct)
Hesperornis regalisfossil species (extinct)
Hesperornis rossicusfossil species (extinct)
Hesperornis lumgairifossil species (extinct)
Lestornisfossil genus (extinct)
Parahesperornisfossil genus (extinct)
Parahesperornis alexifossil species (extinct)
Fumicollisfossil genus (extinct)

Avibasessa on vierailtu 490 669 156 kertaa 24. kesäkuuta 2003 lähtien. © Denis Lepage | Tietosuojakäytäntö Suomentanut Katja Rosvall