''Frodospira'' is an
extinct
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
genus of
Lophospiridae
Lophospiridae is an extinct taxonomic family of sea snails, marine gastropod mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxo ...
, a family of extinct
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
s, fossil
marine gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s. The genus is found in deposits of the
Silurian
The Silurian ( ) is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the third and shortest period of t ...
age in
Sweden
Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
. It was named in honor of the fictional character
Frodo Baggins
Frodo Baggins ( Westron: ''Maura Labingi'') is a fictional character in J. R. R. Tolkien's writings and one of the protagonists in ''The Lord of the Rings''. Frodo is a hobbit of the Shire who inherits the One Ring from his cousin Bilbo Bag ...
from
J. R. R. Tolkien
John Ronald Reuel Tolkien (, 3 January 1892 – 2 September 1973) was an English writer and philologist. He was the author of the high fantasy works ''The Hobbit'' and ''The Lord of the Rings''.
From 1925 to 1945, Tolkien was the Rawlinson ...
's ''
The Lord of the Rings
''The Lord of the Rings'' is an Epic (genre), epic high fantasy novel written by English author and scholar J. R. R. Tolkien. Set in Middle-earth, the story began as a sequel to Tolkien's 1937 children's book ''The Hobbit'' but eventually d ...
''.
Species
The genus ''Frodospira'' contains the following four species:
* ''
Frodospira cochleata''
(Lindström
Lindström or Lindstrøm is a Scandinavian surname used in the Swedish, Danish and Norwegian languages. In English-speaking countries, the name is commonly spelled as Lindstrom. Notable people with the surname include:
*Adolf Lindstrøm, Norweg ...
, 1884)
* ''Frodospira imbricata''
(Lindström
Lindström or Lindstrøm is a Scandinavian surname used in the Swedish, Danish and Norwegian languages. In English-speaking countries, the name is commonly spelled as Lindstrom. Notable people with the surname include:
*Adolf Lindstrøm, Norweg ...
, 1884)
* ''Frodospira munda''
(Lindström
Lindström or Lindstrøm is a Scandinavian surname used in the Swedish, Danish and Norwegian languages. In English-speaking countries, the name is commonly spelled as Lindstrom. Notable people with the surname include:
*Adolf Lindstrøm, Norweg ...
, 1884)
* ''Frodospira tortuosa''
(Lindström
Lindström or Lindstrøm is a Scandinavian surname used in the Swedish, Danish and Norwegian languages. In English-speaking countries, the name is commonly spelled as Lindstrom. Notable people with the surname include:
*Adolf Lindstrøm, Norweg ...
, 1884)
References
Fossil taxa described in 1999
Prehistoric gastropod genera
Lophospiridae
{{Paleo-gastropod-stub