On this day in April
Portal:Paleontology/On this day/April 1
- 1830 - Philippe de La Harpe was born in Paudex, Switzerland.
- 1836 - The crew of the HMS Beagle, carrying Charles Darwin on its second voyage, began to survey a coral atoll in the Keeling Islands to investigate how coral reefs formed.
- 1939 - Adolf Carl Noé died at age 65.
- 2015 - John M. Rensberger and Ricardo N. Martínez found that both birds and lizard-hipped dinosaurs have bone cells with very high surface areas, which may have contributed to the former's ability to reach large size with high growth rates.
Portal:Paleontology/On this day/April 2
- 1917 - Zeev Reiss was born. Geneviève Termier was born in Paris, France.
Historical Photogrammetry: Bird's Paluxy River Dinosaur Chase Sequence Digitally Reconstructed as It Was prior to Excavation 70 Years Ago
Peter L. Falkingham, Karl T. Bates, James O. Farlow
published 02 Apr 2014
Portal:Paleontology/On this day/April 3
- 1864 - Joseph Pitty Couthouy was shot by Confederate rifle fire while commanding the USS Chillicothe off the coast of Grand Ecore, Louisiana during the Red River Campaign of the American Civil War.
- 1880 - Clive Forster-Cooper was born in London, England.
- 1901 - Hildegarde Howard was born in Washington, D.C., USA.
Fossil Fishes from China Provide First Evidence of Dermal Pelvic Girdles in Osteichthyans
Min Zhu, Xiaobo Yu, Brian Choo, Qingming Qu, Liantao Jia, Wenjin Zhao, Tuo Qiao, Jing Lu
published 03 Apr 2012
Ankylosaur Remains from the Early Cretaceous (Valanginian) of Northwestern Germany
Sven Sachs, Jahn J. Hornung
published 03 Apr 2013
Intra-Trackway Morphological Variations Due to Substrate Consistency: The El Frontal Dinosaur Tracksite (Lower Cretaceous, Spain)
Novella L. Razzolini, Bernat Vila, Diego Castanera, Peter L. Falkingham, José Luis Barco, José Ignacio Canudo, Phillip L. Manning, Àngel Galobart
published 03 Apr 2014
Portal:Paleontology/On this day/April 4
- 1832 - The HMS Beagle, carrying Charles Darwin on its second voyage, arrived at Rio de Janeiro, Brazil. Darwin would soon depart on a scientific expedition inland.
- 1864 - Joseph Pitty Couthouy died after succumbing to a rifle wound incurred the previous day while commanding the USS Chillicothe off the coast of Grand Ecore, Louisiana during the Red River Campaign of the American Civil War.
- 1897 - Tiberius Cornelis Winkler died in Haarlem, Netherlands at age 74.
- 1899 - Vasiliy E. Ruzhentsev was born in Moscow, Russia.
- 1952 - Henry Woods died in Meldreth, England.
- 1969 - Friedrich von Huene died in Tübingen, Germany at age 94.
Portal:Paleontology/On this day/April 5
- 1838 - Alpheus Hyatt was born in Washington, D.C., USA.
- 1897 - Jindřich Wankel died in Olomouc, Czech Republic.
Portal:Paleontology/On this day/April 6
- 1881 - Sir Philip Grey Egerton died in London, England.
- 1930 - Osvaldo Rodrigues da Cunha was born in Belém, Brazil.
- 1940 - Michel Brunet was born in Vienne, France.
- 1951 - Robert Broom died in Pretoria, South Africa at age 84.
Inferences of Diplodocoid (Sauropoda: Dinosauria) Feeding Behavior from Snout Shape and Microwear Analyses
John A. Whitlock
published 06 Apr 2011
Portal:Paleontology/On this day/April 7
- 1951 - Harold John Finlay died.
- 2013 - Wann Langston, Jr. died.
Small Theropod Teeth from the Late Cretaceous of the San Juan Basin, Northwestern New Mexico and Their Implications for Understanding Latest Cretaceous Dinosaur Evolution
Thomas E. Williamson, Stephen L. Brusatte
published 07 Apr 2014
Portal:Paleontology/On this day/April 8
- 1871 - Francisco Javier Muñiz died of yellow fever during the great Buenos Aires epidemic in Buenos Aires, Argentina at age 75.
- 1948 - Nikolai Yakovlevich Kuznetsov died in Leningrad, USSR.
- 1962 - Alberto Angela was born in Paris, France.
Portal:Paleontology/On this day/April 9
- 1914 - Boris Sergeyevich Sokolov was born in Vyshny Volochyok, Russia.
- 1940 - Jaroslav Kraft was born.
- 1956 - Michael Benton was born in Scotland.
Scales and Dermal Skeletal Histology of an Early Bony Fish Psarolepis romeri and Their Bearing on the Evolution of Rhombic Scales and Hard Tissues
Qingming Qu, Min Zhu, Wei Wang
published 09 Apr 2013
A Carapace-Like Bony ‘Body Tube’ in an Early Triassic Marine Reptile and the Onset of Marine Tetrapod Predation
Xiao-hong Chen, Ryosuke Motani, Long Cheng, Da-yong Jiang, Olivier Rieppel
published 09 Apr 2014
Portal:Paleontology/On this day/April 10
- 1906 - Nathaniel Shaler died in Cambridge, Massachusetts, USA at age 65.
- 1955 - Pierre Teilhard de Chardin died of a heart attack in New York City, New York, USA at age 73.
Portal:Paleontology/On this day/April 11
- 1755 - James Parkinson was born in London, England.
- 1842 - Arturo Issel was born.
Anatomy and Cranial Functional Morphology of the Small-Bodied Dinosaur Fruitadens haagarorum from the Upper Jurassic of the USA
Richard J. Butler, Laura B. Porro, Peter M. Galton, Luis M. Chiappe
published 11 Apr 2012
Portal:Paleontology/On this day/April 12
- 1814 - Samuel Beckles was born in Barbados.
- 1897 - Edward Drinker Cope died in hiladelphia, Pennsylvania, USA at age 56.
- 1947 - Martin Brasier was born in London, England.
- 2004 - Wesley Wehr died of a heart attack in Seattle, Washington, USA.
Portal:Paleontology/On this day/April 13
- 1837 - Samuel Hubbard Scudder was born in Boston, Massachusetts, USA.
- 1855 - Henry De la Beche died at age 59.
- 1865 - Amanz Gressly died in Bern, Switzerland.
- 1911 - Thomas Rupert Jones died in Chesham Bois, England.
Portal:Paleontology/On this day/April 14
- 1857 -
Portal:Paleontology/On this day/April 15
- 1790 - Theobald Jones was born in Kilcronaghan, Northern Ireland.
- 1801 - Édouard Lartet was born in Castelnau-Barbarens, France.
- 1857 - John Mason Clarke was born in Canandaigua, New York, USA.
- 1883 - Vladimir Kovalevsky died in Moscow, Russian Empire.
- 1907 - Eduard Meine van Zinderen-Bakker was born in Opsterland, Netherlands.
- 1964 - Alice Wilson died in Ottawa, Ontario, Canada at age 82.
- 2015 - William L. Parsons and Kristen M. Parsons studied ontogenetic variations in Deinonychus antirrhopus and suggested that young members of the species may have been able to fly.
Portal:Paleontology/On this day/April 16
- 1974 - Raymond Cecil Moore died in Lawrence, Kansas, USA.
Portal:Paleontology/On this day/April 17
- 1929 - Wesley Wehr was born in Everett, Washington, USA.
- 1934 - Mário Costa Barberena was born in Santa Vitória do Palmar, Rio Grande do Sul, Brazil.
- 1936 - Meemann Chang was born in Nanjing, Jiangsu, China.
- 1942 - Douglas Emlong was born.
A Large Accumulation of Avian Eggs from the Late Cretaceous of Patagonia (Argentina) Reveals a Novel Nesting Strategy in Mesozoic Birds
Mariela S. Fernández, Rodolfo A. García, Lucas Fiorelli, Alejandro Scolaro, Rodrigo B. Salvador, Carlos N. Cotaro, Gary W. Kaiser, Gareth J. Dyke
published 17 Apr 2013
Portal:Paleontology/On this day/April 18
- 1782 - Georg August Goldfuss was born in Thurnau, Germany.
An Abelisauroid Theropod Dinosaur from the Turonian of Madagascar
Andrew A. Farke, Joseph J. W. Sertich
published 18 Apr 2013
Homology of the Fifth Epibranchial and Accessory Elements of the Ceratobranchials among Gnathostomes: Insights from the Development of Ostariophysans
Murilo Carvalho, Flávio Alicino Bockmann, Marcelo Rodrigues de Carvalho
published 18 Apr 2013
Portal:Paleontology/On this day/April 19
- 1834 - Charles Darwin and Captain Robert Fitzroy embarked on an expedition up the Santa Cruz River in Argentina during the second voyage of the HMS Beagle.
- 1931 - Louis Dollo died in Brussels, Belgium.
- 1958 - William Joscelyn Arkell died of a stroke in Cambridge, United Kingdom at age 53.
Portal:Paleontology/On this day/April 20
- 1824 - Peter Martin Duncan was born in Twickenham, England.
Portal:Paleontology/On this day/April 21
- 1851 - Charles Barrois was born in Lille, France.
- 1905 - Andreas Kornhuber died in Vienna, Austria.
Portal:Paleontology/On this day/April 22
- 1893 - Sam W. Heads was born in Northumberland, England.
- 1908 - Ivan Yefremov was born in Vyritsa, Saint Petersburg Governorate, Russian Empire.
- 1957 - Richard Swann Lull died.
- 1961 - Scott D. Sampson was born in Vancouver, British Columbia, Canada.
2015 - Evan Thomas Saitta found evidence for sexual dimorphism in Stegosaurus mjosi, with one sex having larger oval-shaped plates and the other having tall, narrow plates.
Lida Xing published a study of the fossil dinosaur footprints of the Tuchengzi Formation in China.
Portal:Paleontology/On this day/April 23
- 1923 - Gustav Karl Laube died in Prague, Czech Republic.
- 1996 - Gunnar Henningsmoen died.
- 2012 - Raymond Thorsteinsson died in Calgary, Alberta, Canada at age 91.
Imperfect Isolation: Factors and Filters Shaping Madagascar’s Extant Vertebrate Fauna
Karen E. Samonds, Laurie R. Godfrey, Jason R. Ali, Steven M. Goodman, Miguel Vences, Michael R. Sutherland, Mitchell T. Irwin, David W. Krause
published 23 Apr 2013
Portal:Paleontology/On this day/April 24
- 1772 - William Beard was born in Banwell, England.
- 1832 - Charles Darwin returned from an inland expedition to Rio de Janeiro, Brazil where the rest of the crew of the HMS Beagle's second voyage awaited him.
- 1933 - David M. Raup was born in Boston, Massachusetts, USA.
- 1962 - Henry Gee was born in London, England.
- 1963 - Karol Sabath was born.
- 1984 - Stephen L. Brusatte was born in Ottawa, Illinois, USA.
Portal:Paleontology/On this day/April 25
- 1925 - Zofia Kielan-Jaworowska was born in Poland.
- 1929 - Richard H. Tedford was born in Los Angeles, California, USA.
- 1933 - Franz Nopcsa von Felső-Szilvás killed his homosexual lover and best friend, Bayazid Doda, and then himself in Vienna, Austria.
- 1940 - Philippe Taquet was born in Saint-Quentin, France.
- 2002 - Gundolf Ernst died in Berlin, Germany.
Portal:Paleontology/On this day/April 26
- 1774 - Christian Leopold von Buch was born in Stolpe an der Oder, Prussia.
- 1832 - Charles Darwin and three other crewmen from the second voyage of the HMS Beagle rented a home in Botafogo, Brazil, while the ship returned to Bahia to recheck some nautical measurements.
- 2014 - Adolf Seilacher died at age 89.
Portal:Paleontology/On this day/April 27
- 1882 - Edwin Hennig was born in Berlin, Germany.
- 1924 - Nicolai Ivanovich Andrusov died in Prague, Czech Republic.
- 1961 - Jorge O. Calvo was born in Córdoba, Córdoba, Argentina.
Portal:Paleontology/On this day/April 28
- 1861 - Sava Athanasiu was born in Ruginești, Romania.
- 1889 - Charles E. Resser was born in East Berlin, Pennsylvania, USA
- 1932 - Truman H. Aldrich died in Birmingham, Alabama at age 83.
- 1996 - T. H. Clark died in Montreal, Quebec, Canada.
Portal:Paleontology/On this day/April 29
- 1836 - The HMS Beagle, carrying Charles Darwin on its second voyage, arrived at Mauritius.
- 1906 - Gustava Kahler, née Aigner was born in Salzburg, Austria.
- 2015 - Federico Fanti and others reconstructed the environment and taphonomic history of the Tataouinea type specimen, which they concluded to be the descendant of a rapid adaptive radiation of diplodocoids that survived the end-Jurassic extinction in South America.
Portal:Paleontology/On this day/April 30
- 1864 - Maria Gordon was born in Monymusk, Scotland.
- 1891 - Joseph Leidy died in Philadelphia, Pennsylvania, USA at age 67.
- 1991 - Beverly Halstead died.
First Evidence of Dinosaurian Secondary Cartilage in the Post-Hatching Skull of Hypacrosaurus stebingeri (Dinosauria, Ornithischia)
Alida M. Bailleul, Brian K. Hall, John R. Horner
published 30 Apr 2012