V\u00e0o th\u00e1ng 3 n\u0103m 2010, m\u1ed9t nh\u00f3m c\u1ed5 sinh v\u1eadt h\u1ecdc do Roger Benson d\u1eabn \u0111\u1ea7u \u0111\u00e3 c\u00f4ng b\u1ed1 ph\u00e1t hi\u1ec7n m\u1ed9t ph\u1ea7n x\u01b0\u01a1ng h\u00f4ng c\u1ee7a kh\u1ee7ng long b\u1ed9 Tyrannosauroid t\u1ea1i \u00dac. Ph\u00e1t hi\u1ec7n n\u00e0y \u0111\u00e1nh d\u1ea5u b\u1eb1ng ch\u1ee9ng \u0111\u1ea7u ti\u00ean v\u1ec1 nh\u00f3m kh\u1ee7ng long n\u00e0y tr\u00ean l\u1ee5c \u0111\u1ecba ph\u00eda nam.<\/p>\n\n
X\u01b0\u01a1ng h\u00f4ng, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 x\u01b0\u01a1ng mu, l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng c\u1ee7a kh\u1ee7ng long b\u1ea1o ch\u00faa, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u00e0i ti\u1ebfn h\u00f3a cu\u1ed1i c\u00f9ng. M\u1eabu v\u1eadt \u00dac th\u1ec3 hi\u1ec7n m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m cho th\u1ea5y n\u00f3 thu\u1ed9c v\u1ec1 m\u1ed9t con kh\u1ee7ng long b\u1ea1o ch\u00faa, bao g\u1ed3m h\u00ecnh d\u1ea1ng ch\u1eafc kh\u1ecfe v\u00e0 ph\u1ea7n tr\u01b0\u1edbc h\u01b0\u1edbng xu\u1ed1ng.<\/p>\n\n
Tuy nhi\u00ean, trong m\u1ed9t b\u00ecnh lu\u1eadn g\u1ea7n \u0111\u00e2y \u0111\u01b0\u1ee3c \u0111\u0103ng tr\u00ean t\u1ea1p ch\u00ed Science, Matthew Herne, Jay Nair v\u00e0 Steven Salisbury cho r\u1eb1ng b\u1eb1ng ch\u1ee9ng v\u1ec1 kh\u1ee7ng long b\u1ea1o ch\u00faa t\u1eeb \u00dac kh\u00f4ng m\u1ea1nh nh\u01b0 Benson \u0111\u1ec1 xu\u1ea5t.<\/p>\n\n
Herne v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p ch\u1ec9 ra r\u1eb1ng c\u00e1c chi ti\u1ebft gi\u1ea3i ph\u1eabu ban \u0111\u1ea7u \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh x\u01b0\u01a1ng l\u00e0 kh\u1ee7ng long b\u1ea1o ch\u00faa c\u0169ng c\u00f3 th\u1ec3 th\u1ea5y \u1edf c\u00e1c theropod kh\u00e1c, m\u1ed9t nh\u00f3m kh\u1ee7ng long \u0103n th\u1ecbt bao g\u1ed3m c\u1ea3 kh\u1ee7ng long b\u1ea1o ch\u00faa. H\u1ecd \u0111\u1ec1 xu\u1ea5t r\u1eb1ng x\u01b0\u01a1ng t\u1eeb \u00dac c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb m\u1ed9t trong nhi\u1ec1u lo\u00e0i theropod kh\u00e1c \u0111\u00e3 bi\u1ebft t\u1ea1i \u00dac, nh\u01b0 coelurosaurs ho\u1eb7c carcharodontosaurians.<\/p>\n\n
Benson v\u00e0 c\u00e1c t\u00e1c gi\u1ea3 kh\u00e1c c\u1ee7a b\u00e0i b\u00e1o g\u1ed1c kh\u00f4ng \u0111\u1ed3ng \u00fd v\u1edbi c\u00e1ch di\u1ec5n gi\u1ea3i c\u1ee7a Herne. Trong m\u1ed9t ph\u1ea3n h\u1ed3i \u0111\u01b0\u1ee3c \u0111\u0103ng c\u00f9ng b\u00ecnh lu\u1eadn, h\u1ecd kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m k\u1ef3 l\u1ea1 c\u1ee7a x\u01b0\u01a1ng h\u00f4ng, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ea5u x\u01b0\u01a1ng mu, gi\u1ed1ng nh\u1ea5t v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m t\u01b0\u01a1ng t\u1ef1 \u1edf kh\u1ee7ng long b\u1ea1o ch\u00faa.<\/p>\n\n
M\u1eb7c d\u00f9 m\u1ea5u x\u01b0\u01a1ng mu b\u1ecb g\u00e3y, Benson v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p l\u1eadp lu\u1eadn r\u1eb1ng h\u01b0\u1edbng c\u1ee7a ph\u1ea7n c\u00f2n thi\u1ebfu v\u1eabn c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh. H\u1ecd tin r\u1eb1ng n\u1ebfu x\u01b0\u01a1ng c\u00f2n nguy\u00ean v\u1eb9n, n\u00f3 s\u1ebd th\u1ec3 hi\u1ec7n \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 kh\u1ee7ng long b\u1ed9 Tyrannosauroid.<\/p>\n\n
Vi\u1ec7c ph\u00e1t hi\u1ec7n m\u1ed9t lo\u00e0i kh\u1ee7ng long b\u1ea1o ch\u00faa c\u00f3 th\u1ec3 t\u1ea1i \u00dac c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 \u0111a d\u1ea1ng v\u00e0 ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd c\u1ee7a kh\u1ee7ng long.<\/p>\n\n
Trong nhi\u1ec1u th\u1eadp k\u1ef7, c\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc tin r\u1eb1ng kh\u1ee7ng long c\u00f3 th\u1ec3 chia th\u00e0nh hai nh\u00f3m ch\u00ednh: ph\u01b0\u01a1ng b\u1eafc (Laurasia) v\u00e0 ph\u01b0\u01a1ng nam (Gondwana). Tuy nhi\u00ean, c\u00e1c ph\u00e1t hi\u1ec7n g\u1ea7n \u0111\u00e2y cho th\u1ea5y s\u1ef1 ph\u00e2n chia n\u00e0y kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 t\u1eebng ngh\u0129.<\/p>\n\n
V\u00ed d\u1ee5, h\u1ecd h\u00e0ng g\u1ea7n nh\u1ea5t c\u1ee7a theropod \u00dac Australovenator l\u00e0 Fukuiraptor t\u1eeb Nh\u1eadt B\u1ea3n. Ph\u00e1t hi\u1ec7n n\u00e0y g\u1ee3i \u00fd r\u1eb1ng m\u1ed9t s\u1ed1 nh\u00f3m kh\u1ee7ng long \u0111\u00e3 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng r\u00e0o c\u1ea3n \u0111\u1ecba l\u00fd t\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 kh\u00f4ng th\u1ec3.<\/p>\n\n
Cu\u1ed9c tranh lu\u1eadn v\u1ec1 danh t\u00ednh kh\u1ee7ng long b\u1ea1o ch\u00faa t\u1ea1i \u00dac v\u1eabn \u0111ang ti\u1ebfp di\u1ec5n. Hai nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 nh\u00ecn v\u00e0o c\u00f9ng nh\u1eefng h\u00f3a th\u1ea1ch v\u00e0 \u0111\u01b0a ra k\u1ebft lu\u1eadn r\u1ea5t kh\u00e1c nhau. S\u1ebd c\u1ea7n th\u00eam h\u00f3a th\u1ea1ch \u0111\u1ec3 bi\u1ebft ch\u1eafc ch\u1eafn li\u1ec7u x\u01b0\u01a1ng c\u00f3 thu\u1ed9c v\u1ec1 kh\u1ee7ng long b\u1ea1o ch\u00faa hay m\u1ed9t lo\u1ea1i theropod kh\u00e1c.<\/p>\n\n
C\u00e1c nh\u00e0 c\u1ed5 sinh v\u1eadt h\u1ecdc \u0111ang n\u00f3ng l\u00f2ng ch\u1edd \u0111\u1ee3i th\u00f4ng b\u00e1o v\u1ec1 nh\u1eefng h\u00f3a th\u1ea1ch c\u00f2n l\u1ea1i c\u1ee7a lo\u00e0i kh\u1ee7ng long g\u00e2y tranh c\u00e3i n\u00e0y t\u1ea1i \u00dac. Nh\u1eefng h\u00f3a th\u1ea1ch b\u1ed5 sung c\u00f3 th\u1ec3 cung c\u1ea5p b\u1eb1ng ch\u1ee9ng r\u00f5 r\u00e0ng h\u01a1n v\u00e0 gi\u00fap gi\u1ea3i quy\u1ebft tranh lu\u1eadn v\u1ec1 danh t\u00ednh c\u1ee7a n\u00f3.<\/p>\n\n
Trong khi \u0111\u00f3, vi\u1ec7c ph\u00e1t hi\u1ec7n m\u1ed9t lo\u00e0i kh\u1ee7ng long b\u1ea1o ch\u00faa c\u00f3 th\u1ec3 t\u1ea1i \u00dac \u0111\u00e3 g\u1ee3i l\u00ean s\u1ef1 ph\u1ea5n kh\u00edch v\u00e0 tranh lu\u1eadn trong gi\u1edbi c\u1ed5 sinh v\u1eadt h\u1ecdc. \u0110\u00f3 l\u00e0 l\u1eddi nh\u1eafc nh\u1edf r\u1eb1ng hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 \u0111a d\u1ea1ng v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a kh\u1ee7ng long li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n khi c\u00f3 th\u00eam nh\u1eefng kh\u00e1m ph\u00e1 m\u1edbi.<\/p>","protected":false},"excerpt":{"rendered":"
Tranh c\u00e3i v\u1ec1 danh t\u00ednh kh\u1ee7ng long b\u1ea1o ch\u00faa t\u1ea1i \u00dac Kh\u00e1m ph\u00e1 v\u00e0 m\u00f4 t\u1ea3 V\u00e0o th\u00e1ng 3 n\u0103m 2010, m\u1ed9t nh\u00f3m c\u1ed5 sinh v\u1eadt h\u1ecdc do Roger Benson…<\/p>\n","protected":false},"author":2,"featured_media":25152,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[137,6326,97,2704,6325,5677,1532,1341],"class_list":["post-3269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paleontology","tag-paleontology","tag-debate","tag-science","tag-dinosaur","tag-tyrannosaur","tag-theropod","tag-discovery","tag-australia"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/3269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=3269"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/3269\/revisions"}],"predecessor-version":[{"id":25153,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/3269\/revisions\/25153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/25152"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=3269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=3269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=3269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}