''Prodryas persephone'' is an extinct species of brush-footed

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

, known from a single specimen from the

Chadronian The Chadronian is a North American Land Mammal Age typically set from around 37,000,000 to 33,700,000 years BP, a period of . The Chadronian is preceded by the Duchesnean and followed by the Orellan NALMA stages. Relative to global geological c ...

-aged Florissant Shale

Lagerstätte A Fossil-Lagerstätte (, from ''Lager'' 'storage, lair' '' Stätte'' 'place'; plural ''Lagerstätten'') is a sedimentary deposit that preserves an exceptionally high amount of palaeontological information. ''Konzentrat-Lagerstätten'' preserv ...

of Late

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

. ''P. persephone'' is the first fossil butterfly to be found in North America, and is exquisitely well preserved. Its closest extant relatives are the mapwings and African admirals of the genera '' Hypanartia'' and '' Antanartia'', respectively.

Significance

The

type specimen In biology, a type is a particular wikt:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to ancho ...

, now held at the

Museum of Comparative Zoology The Museum of Comparative Zoology (formally the Agassiz Museum of Comparative Zoology and often abbreviated to MCZ) is a zoology museum located on the grounds of Harvard University in Cambridge, Massachusetts. It is one of three natural-history r ...

Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...

, was the first fossil butterfly to be found in North America, and has been described as "possibly the best fossil butterfly specimen ever found". The appearance of a figure of ''Prodryas'' in

Samuel Hubbard Scudder Samuel Hubbard Scudder (April 13, 1837 – May 17, 1911) was an American entomologist and paleontologist. He was a leading figure in entomology during his lifetime and the founder of insect paleontology in America. In addition to fossil insects, ...

's book ''Frail Children of the Air'' influenced the paleontologist Frank M. Carpenter to embark on his career. Scudder exhibited the specimen at the

Royal Entomological Society of London The Royal Entomological Society is a learned society devoted to the study of insects. It aims to disseminate information about insects and to improve communication between entomologists. The society was founded in 1833 as the Entomological S ...

in December 1893.

Description

The single known specimen of ''P. persephone'' is a

compression fossil A compression fossil is a fossil preserved in sedimentary rock that has undergone physical compression. While it is uncommon to find animals preserved as good compression fossils, it is very common to find plants preserved this way. The reason f ...

, discovered by the "

homesteader Homestead may refer to: *Homestead (building), a farmhouse and its adjacent outbuildings; by extension, it can mean any small cluster of houses * Nguni homestead, a cluster of houses inhabited by a single extended family, typically with a kraal ...

turned

naturalist Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

Charlotte Hill Charlotte Hill (1849–1930) was a homesteader born in Indiana who contributed to paleontology through finding several significant fossil within the Florissant Fossil Beds. She sold many fossils to other collectors and investigators to earn mon ...

, in

shale Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of Clay mineral, clay minerals (hydrous aluminium phyllosilicates, e.g., Kaolinite, kaolin, aluminium, Al2Silicon, Si2Oxygen, O5(hydroxide, OH)4) and tiny f ...

deposits of

Late Eocene The Priabonian is, in the International Commission on Stratigraphy, ICS's geologic timescale, the latest age (geology), age or the upper stage (stratigraphy), stage of the Eocene epoch (geology), Epoch or series (stratigraphy), Series. It spans ...

age of the

Florissant Formation The Florissant Formation is a sedimentary geologic formation outcropping around Florissant, Teller County, Colorado. The formation is noted for the abundant and exceptionally preserved insect and plant fossils that are found in the mudstones an ...

near Florissant, Colorado. The butterfly has a wing length of , and the specimen is complete, although the trailing edge of one hindwing was originally covered. The upper surface of the animal is visible, and the legs can only barely be seen. The head is turned to one side, revealing the mouthparts as well as both antennae. The

wing venation Insect wings are adult outgrowths of the insect exoskeleton that enable insect flight, insects to fly. They are found on the second and third Thorax (insect anatomy), thoracic segments (the mesothorax and metathorax), and the two pairs are often ...

is exquisitely preserved, and even the patterns of color on the wings are clearly visible. Individual wing scales can be discerned in parts of the forewing.

Taxonomy

Based on Charlotte Hill's specimen,

described the new genus and species ''Prodryas persephone'' in 1878, although the first figure only appeared in 1899. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

''persephone'' alludes to

Persephone In ancient Greek mythology and Ancient Greek religion, religion, Persephone ( ; , classical pronunciation: ), also called Kore ( ; ) or Cora, is the daughter of Zeus and Demeter. She became the queen of the Greek underworld, underworld afte ...

, wife of

Hades Hades (; , , later ), in the ancient Greek religion and Greek mythology, mythology, is the god of the dead and the king of the Greek underworld, underworld, with which his name became synonymous. Hades was the eldest son of Cronus and Rhea ...

, and the daughter of

Zeus Zeus (, ) is the chief deity of the List of Greek deities, Greek pantheon. He is a sky father, sky and thunder god in ancient Greek religion and Greek mythology, mythology, who rules as king of the gods on Mount Olympus. Zeus is the child ...

and

Demeter In ancient Greek religion and Greek mythology, mythology, Demeter (; Attic Greek, Attic: ''Dēmḗtēr'' ; Doric Greek, Doric: ''Dāmā́tēr'') is the Twelve Olympians, Olympian goddess of the harvest and agriculture, presiding over cro ...

. (Two other species named by Scudder in the same work also bear names referring to the

underworld The underworld, also known as the netherworld or hell, is the supernatural world of the dead in various religious traditions and myths, located below the world of the living. Chthonic is the technical adjective for things of the underworld. ...

Greek mythology Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of ancient Greek folklore, today absorbed alongside Roman mythology into the broader designation of classical mythology. These stories conc ...

: '' Lithopsyche styx'' (referring to the river

Styx In Greek mythology, Styx (; ; lit. "Shuddering"), also called the River Styx, is a goddess and one of the rivers of the Greek Underworld. Her parents were the Titans Oceanus and Tethys, and she was the wife of the Titan Pallas and the moth ...

) and '' Jupitellia charon'' (referring to

Charon In Greek mythology, Charon or Kharon ( ; ) is a psychopomp, the ferryman of the Greek underworld. He carries the souls of those who have been given funeral rites across the rivers Acheron and Styx, which separate the worlds of the living and ...

).) Although placed in a separate genus, ''Prodryas persephone'' is thought to be closely related to '' Hypanartia'', and may be even closer to '' Antanartia''.

References

External links

* * {{Taxonbar, from=Q4047418

† A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species or languages). It is one of the mo ...

Eocene insects Prehistoric insects of North America Fossil taxa described in 1878 Fossil Lepidoptera Monotypic prehistoric insect genera

Florissant Formation Taxa named by Samuel Hubbard Scudder

Significance

Description

Taxonomy

References

Further reading

External links