Carl Wiman was a Swedish paleontologist and the first professor of paleontology at Uppsala University

Uppsala University

Uppsala University is a research university in Uppsala, Sweden, and is the oldest university in Scandinavia, founded in 1477. It consistently ranks among the best universities in Northern Europe in international rankings and is generally considered one of the most prestigious institutions of...

. He published on a variety of topics, including extinct penguin

Penguin

Penguins are a group of aquatic, flightless birds living almost exclusively in the southern hemisphere, especially in Antarctica. Highly adapted for life in the water, penguins have countershaded dark and white plumage, and their wings have become flippers...

s, and dinosaur

Dinosaur

Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

 fossils sent to Sweden from China

People's Republic of China

China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

 and the San Juan Basin

San Juan Basin

The San Juan Basin is a geologic structural basin in the Four Corners region of the Southwestern United States; its main portion covers around , encompassing much of northwestern New Mexico, southwest Colorado, and parts of Arizona and Utah....

 of New Mexico

New Mexico

New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

 (U.S.A.

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

). He is responsible for naming the genera Helopus

Helopus

Helopus from the Ancient Greek meaning "marsh foot" can refer to three types of living organism:* A sauropod dinosaur, now known as Euhelopus* Helopus, a genus of bird* Helopus, a genus of grass...

(renamed Euhelopus

Euhelopus

Euhelopus is a genus of sauropod dinosaur that lived during the Early Cretaceous, between 130 and 112 million years ago . It lived in what is now Shandong Province in China. A large herbivore, it weighed approximately 15-20 tons and attained an adult length of 15m...

because Helopus was already in use) and Tanius

Tanius

Tanius is a genus of hadrosauroid dinosaur. It lived in the Late Cretaceous of the People's Republic of China.The type species, named and described in 1929 by Carl Wiman, is Tanius sinensis. The generic name honours the Chinese paleontologist Tan Xichou...

, and the species Pentaceratops fenestratus

Pentaceratops

Pentaceratops is a genus of ceratopsid dinosaur from the late Cretaceous Period of what is now North America. The appearance of Pentaceratops sternbergii in the fossil record marks the end of the Judithian land vertebrate age and the start of the Kirtlandian...

and Parasaurolophus tubicen

Parasaurolophus

Parasaurolophus is a genus of ornithopod dinosaur that lived in what is now North America during the Late Cretaceous Period, about 76.5–73 million years ago. It was an herbivore that walked both as a biped and a quadruped. Three species are recognized: P. walkeri , P. tubicen, and the...

. He was also the first to suggest that the hollow cranial crests of lambeosaurine duckbill

Hadrosaurid

Hadrosaurids or duck-billed dinosaurs are members of the family Hadrosauridae, and include ornithopods such as Edmontosaurus and Parasaurolophus. They were common herbivores in the Upper Cretaceous Period of what are now Asia, Europe and North America. They are descendants of the Upper...

 dinosaurs could be used as a horn-like noisemaker. "Wiman's Law" states that the stolon

Stolon

In biology, stolons are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external skeletons.-In botany:...

 of dendroid graptolite

Graptolite

Graptolithina is a class in the animal phylum Hemichordata, the members of which are known as Graptolites. Graptolites are fossil colonial animals known chiefly from the Upper Cambrian through the Lower Carboniferous...

s divides in groups of three: "one branch went into the bitheca, one into the autotheca, and one continued up along the stipe

Stipe (botany)

In botany, a stipe is a stalk that supports some other structure. The precise meaning is different depending on which taxonomic group is being described....

."

He is recognized for his contributions to paleontology in the names of the extinct penguins Archaeospheniscus wimani

Archaeospheniscus wimani

Archaeospheniscus wimani is an extinct species of penguin. It was the smallest species of the genus Archaeospheniscus, being approximately 75-85 cm high, or about the size of a Gentoo Penguin. It is also the oldest known species of its genus, as its remains were found in Middle or Late Eocene...

and Palaeospheniscus wimani

Palaeospheniscus wimani

The extinct penguin Palaeospheniscus wimani is a member of the genus Palaeospheniscus which belonged to the prehistoric subfamily Palaeospheniscinae...

, the fossil turtle Dracochelys wimani, the ichthyosaur Wimanius and the sauropod dinosaur Borealosaurus wimani

Borealosaurus

Borealosaurus was a dinosaur genus from northern China. It was a herbivorous quadrupedal sauropod from the Early Cretaceous Period. The type species was Borealosaurus wimani...

.