Denise Sigogneau-Russell
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Denise Sigogneau-Russell (born ''c.'' 1941/42) is a French
palaeontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...
who specialises in mammals from the
Mesozoic The Mesozoic Era ( ), also called the Age of Reptiles, the Age of Conifers, and colloquially as the Age of the Dinosaurs is the second-to-last era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceo ...
, particularly from France and the UK. She is currently based at the
Muséum National d'Histoire Naturelle The French National Museum of Natural History, known in French as the ' (abbreviation MNHN), is the national natural history museum of France and a ' of higher education part of Sorbonne Universities. The main museum, with four galleries, is loc ...
.


Background

Denise Sigogneau-Russell completed her PhD in 1969 on
therapsids Therapsida is a major group of eupelycosaurian synapsids that includes mammals, their ancestors and relatives. Many of the traits today seen as unique to mammals had their origin within early therapsids, including limbs that were oriented mor ...
- the forerunners of mammals - from South Africa, where she spent two years. In 1976 a Belgian amateur fossil hunter brought her a mammal tooth from a quarry in eastern France, and this inspired her to change direction and begin research on mammals from the
Mesozoic The Mesozoic Era ( ), also called the Age of Reptiles, the Age of Conifers, and colloquially as the Age of the Dinosaurs is the second-to-last era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceo ...
.Kielan-Jaworowska, Z. 2013. ''In Pursuit of Early Mammals''. Indiana University Press. She subsequently studied them in France, Portugal, Madagascar, Morocco, and England.
Zofia Kielan-Jaworowska Zofia Kielan-Jaworowska (25 April 1925 – 13 March 2015) was a Polish paleobiologist. In the mid-1960s, she led a series of Polish-Mongolian paleontological expeditions to the Gobi Desert. She was the first woman to serve on the executive commit ...
said that due to Sigogneau-Russell's "scholarship and diligence, she has contributed enormously to the knowledge of early mammal evolution.". She was married to Donald E. Russell, also a palaeontologist specialising in mammals, with whom she carried out field projects and collaborated.


Research

Sigogneau-Russell has published on many mammals and their predecessors, but she is best known for her work on Triassic triconodonts and
morganucodonta Morganucodonta ("Glamorgan teeth") is an extinct order of basal Mammaliaformes, a group including crown-group mammals (Mammalia) and their close relatives. Their remains have been found in Southern Africa, Western Europe, North America, India an ...
ns, haramiyids and
multituberculates Multituberculata (commonly known as multituberculates, named for the multiple tubercles of their teeth) is an extinct order of rodent-like mammals with a fossil record spanning over 130 million years. They first appeared in the Middle Jurassic, ...
, and British Cretaceous mammals with collaborator, Percy Butler. She has also written reviews of the anatomy and taxonomy of synapsids and
therapsids Therapsida is a major group of eupelycosaurian synapsids that includes mammals, their ancestors and relatives. Many of the traits today seen as unique to mammals had their origin within early therapsids, including limbs that were oriented mor ...
, as well as co-authoring papers on more recent fossil mammals. In 1983 Sigogneau-Russell published her first review of the mammals from
Rhaetian The Rhaetian is the latest age of the Triassic Period (in geochronology) or the uppermost stage of the Triassic System (in chronostratigraphy). It was preceded by the Norian and succeeded by the Hettangian (the lowermost stage or earliest age ...
rocks in Saint-Nicholas-de-Port in
Lorraine Lorraine , also , , ; Lorrain: ''Louréne''; Lorraine Franconian: ''Lottringe''; german: Lothringen ; lb, Loutrengen; nl, Lotharingen is a cultural and historical region in Northeastern France, now located in the administrative region of Gr ...
, France. She later published on more material from this area, including over 200 teeth obtained by screen-washing sediment. In 1991 she published a book on Mesozoic mammals, ''Les mammifères au temps des dinosaures'' Sigogneau-Russell, D., 1991. Les mammifères au temps des dinosaures. Masson. She has authored over 56 research papers and contributed many more articles on palaeontology. She has named at least 3 orders and families, 5 genera, and 5 species of Mesozoic mammal from the Triassic, Jurassic and Cretaceous periods.


Scientific contributions

Taxonomic names erected by Denise Sigogneau-Russell: Haramiyidans: *†''
Haramiyida Haramiyida ("thief" from Arabic الحرامية (al ḥarāmiyah), "thief, bandit") is a possibly polyphyletic order of mammaliaform cynodonts or mammals of controversial taxonomic affinites. Their teeth, which are by far the most common remains ...
'' Hahn, Sigogneau-Russell & Wouters, 1989 **†'' Hahnodon'' Sigogneau-Russell, 1991Sigogneau-Russell (1991), "First evidence of Multituberculata (Mammalia) in the Mesozoic of Africa". Neues Jahrb Geol Paläontol, Monatshefte, p. 119-125. ***†''
Hahnodon taqueti ''Hahnodon'' ("Hahn's tooth") is an extinct genus of mammaliaforms from the Early Cretaceous Ksar Metlili Formation in Morocco. Although originally considered to be a relatively early member of the extinct clade Multituberculata, recent studies ...
'' Sigogneau-Russell, 1991 **†''
Purbeckodon ''Purbeckodon'' is an extinct genus of mammaliaforms, possibly belonging to Morganucodonta, that is known from Early Cretaceous deposits of southeastern Dorset, England. It was collected in the Purbeck Limestone Group of Dorset. It was first ...
'' Butler, Sigogneau-Russell & Ensom, 2011P. M. Butler, D. Sigogneau-Russell and P. C. Ensom (2011). "Possible persistence of the morganucodontans in the Lower Cretaceous Purbeck Limestone Group (Dorset, England)". Cretaceous Research. 33: 135–145. doi:10.1016/j.cretres.2011.09.007. ***†''
Purbeckodon batei ''Purbeckodon'' is an extinct genus of mammaliaforms, possibly belonging to Morganucodonta, that is known from Early Cretaceous deposits of southeastern Dorset, England. It was collected in the Purbeck Limestone Group of Dorset. It was first ...
'' Butler, Sigogneau-Russell & Ensom, 2011 *†'' Theroteinidae'' Sigogneau-Russell, Frank & Hammerle 1986D. Sigogneau-Russell, R. M. Frank, and J. Hemmerlé. 1986. A new family of mammals from the lower part of the French Rhaetic. The Beginning of the Age of Dinosaurs: Faunal Change Across the Triassic–Jurassic Boundary. Cambridge University Press, Cambridge 99-108 **†''
Theroteinus ''Theroteinus'' is an extinct genus of haramiyidan mammaliaforms from the Late Triassic of France and Britain. It contains three species: ''T. nikolai,'' ''T. rosieriensis'' and ''T. jenkinsi'', the former two of which are known exclusively from ...
'' Sigogneau-Russell, Frank & Hammerle 1986 ***†''
Theroteinus nikolai ''Theroteinus'' is an extinct genus of haramiyidan mammaliaforms from the Late Triassic of France and Britain. It contains three species: ''T. nikolai,'' ''T. rosieriensis'' and ''T. jenkinsi'', the former two of which are known exclusively from ...
'' Sigogneau-Russell, Frank & Hammerle 1986 ***†''
Theroteinus rosieriensis ''Theroteinus'' is an extinct genus of haramiyidan mammaliaforms from the Late Triassic of France and Britain. It contains three species: ''T. nikolai,'' ''T. rosieriensis'' and ''T. jenkinsi'', the former two of which are known exclusively from ...
'' Sigogneau-Russell 2016 Docodontans: *†'' Borealestes mussettae'' (now '' Dorbunnodon'') Sigogneau-Russell, 2003 Sigogneau-Russell D. 2003. Docodonts from the British Mesozoic. Acta Palaeontologica Polonica, 48(3) *†''
Krusatodon ''Krusatodon'' is a genus of extinct docodont mammaliaform from the Middle Jurassic of the United Kingdom. It is known from the Forest Marble Formation, Kirtlington Kirtlington is a village and Civil parishes in England, civil parish in Oxf ...
'' Sigogneau-Russell, 2003 **†''
Krusatodon kirtlingtonensis ''Krusatodon'' is a genus of extinct docodont mammaliaform from the Middle Jurassic of the United Kingdom. It is known from the Forest Marble Formation, Kirtlington Kirtlington is a village and Civil parishes in England, civil parish in Oxf ...
'' Sigogneau-Russell, 2003


References

{{DEFAULTSORT:Sigogneau-Russell, Denise French paleontologists Living people Year of birth missing (living people)