Charles Richard Marshall is an Australian paleobiologist and the director of the
University of California Museum of Paleontology
The University of California Museum of Paleontology (UCMP) is a paleontology museum located on the campus of the University of California, Berkeley.
The museum is within the Valley Life Sciences Building (VLSB), designed by George W. Kelham and ...
, where he is also a professor in the department of Integrative Biology at the
University of California, Berkeley
The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
.
Career
Marshall graduated with honours in Palaeontology, Mathematics, and Zoology from the
Australian National University
The Australian National University (ANU) is a public research university located in Canberra, the capital of Australia. Its main campus in Acton encompasses seven teaching and research colleges, in addition to several national academies and ...
in 1984 (B.Sc., 1st Class Honours), and received his Ph.D. in Evolutionary Biology from the
University of Chicago
The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...
in 1989, with paleobiologist
David M. Raup and cell biologist
Hewson Swift
Hewson is a surname. Notable people with the surname include:
* Ali Hewson (born 1961), activist and wife of U2's Bono
* Allan Hewson (born 1954), former New Zealand Rugby union All Black
* Arthur Hewson (1914–1999), Australian politician
* Ashl ...
as his advisors. He then did an NIH (NRSA) postdoc with evolutionary developmental biologist
Rudy Raff at Indiana University from 1989 to 1991. He taught at
UCLA
The University of California, Los Angeles (UCLA) is a public land-grant research university in Los Angeles, California. UCLA's academic roots were established in 1881 as a teachers college then known as the southern branch of the California St ...
from 1991 to 1999, except for the period of his
Guggenheim Fellowship
Guggenheim Fellowships are grants that have been awarded annually since by the John Simon Guggenheim Memorial Foundation to those "who have demonstrated exceptional capacity for productive scholarship or exceptional creative ability in the ar ...
spent at the
Smithsonian Institution
The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums and education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge". Founded ...
, at
Harvard
Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...
from 1999 to 2009, where he was also a curator at the
Museum of Comparative Zoology
A museum ( ; plural museums or, rarely, musea) is a building or institution that cares for and displays a collection of artifacts and other objects of artistic, cultural, historical, or scientific importance. Many public museums make these ...
, and at
UC Berkeley
The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public university, public land-grant university, land-grant research university in Berkeley, California. Established in 1868 as the University of Californi ...
since 2010, for which period he has also been director of the
UCMP
The University of California Museum of Paleontology (UCMP) is a paleontology museum located on the campus of the University of California, Berkeley.
The museum is within the Valley Life Sciences Building (VLSB), designed by George W. Kelham and ...
, replacing interim director
Roy L. Caldwell
Roy is a masculine given name and a family surname with varied origin.
In Anglo-Norman England, the name derived from the Norman ''roy'', meaning "king", while its Old French cognate, ''rey'' or ''roy'' (modern ''roi''), likewise gave rise to ...
. He has been on the Board of Reviewing Editors for
''Science'' since 2009.
Research
Marshall's first prominent work was on using
confidence interval
In frequentist statistics, a confidence interval (CI) is a range of estimates for an unknown parameter. A confidence interval is computed at a designated ''confidence level''; the 95% confidence level is most common, but other levels, such as 9 ...
s to better estimate the full stratigraphic range of a lineage. This work led him to propose with
Peter Ward that the
fossil record
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...
of the
Mollusca
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
suggested that the extinction at the
Cretaceous-Paleogene boundary may have been due in part to marine regression. It also led to revised estimates of the origination times and fidelity of the fossil record for various lineages, including
primate
Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...
s and
orchid
Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant.
Along with the Asteraceae, they are one of the two largest families of flowering ...
s (with the description of ''
Meliorchis'').
In 1993, he found empirical evidence for exceptions to
Dollo's law of irreversibility
Dollo's law of irreversibility (also known as Dollo's law and Dollo's principle), proposed in 1893 by Belgian paleontologist Louis Dollo states that, "an organism never returns exactly to a former state, even if it finds itself placed in condition ...
with
Elizabeth
Elizabeth or Elisabeth may refer to:
People
* Elizabeth (given name), a female given name (including people with that name)
* Elizabeth (biblical figure), mother of John the Baptist
Ships
* HMS ''Elizabeth'', several ships
* ''Elisabeth'' (sch ...
and
Rudolf Raff
Rudolf Albert Raff (November 10, 1941 – January 5, 2019) was an American biologist, and James H. Rudy Professor of Biology at Indiana University. He was known for research in, and promotion of, evolutionary developmental biology. He was also d ...
. His studies on diversity through time included being a Principal Investigator on the grant that led to the creation of the
Paleobiology Database
The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms.
History
The Paleobiology Database (PBDB) originated in the NCEAS-funded Phanerozoic Marine Pale ...
with
John Alroy
John Alroy is a paleobiologist born in New York in 1966 and now residing in Sydney, Australia.
Area of expertise
Alroy specializes in diversity curves, speciation, and extinction of North American fossil mammals and Phanerozoic marine inver ...
. He has also worked on major transitions in the
history of life
The history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to present day. Earth formed about 4.5 billion years ago (abbreviated as ''Ga'', for ''gigaannum'') and evide ...
, including the
Cambrian explosion
The Cambrian explosion, Cambrian radiation, Cambrian diversification, or the Biological Big Bang refers to an interval of time approximately in the Cambrian Period when practically all major animal phyla started appearing in the fossil recor ...
.
References
{{DEFAULTSORT:Marshall, Charles R.
Australian paleontologists
Australian National University alumni
University of Chicago alumni
Living people
University of California, Berkeley College of Letters and Science faculty
Paleobiologists
Year of birth missing (living people)