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Triakidae
Description | Houndsharks, the Triakidae, are a family of ground sharks, consisting of about 40 species in nine genera. In some classifications, the family is split into two subfamilies, with Mustelus, Scylliogaleus, and Triakis in the subfamily Triakinae, and the remaining genera in the subfamily Galeorhininae. From Wikipedia article at https://en.wikipedia.org/wiki/Triakidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Source Data |
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Rank | family | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF) | Life : Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Triakidae | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Chordata : Chondrichthyes : Carchariniformes : Triakidae | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Common Name | hound shark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Scientific Name | Triakidae | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 25 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Extant Size (PBDB) | 5 (20%) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 133 - 129 Ma Early/Lower Cretaceous | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Vertebrata) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Motility | actively mobile (based on Carchariniformes) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Diet | carnivore (based on Carchariniformes) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Taphonomy | phosphatic (based on Vertebrata) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | R. W. Purdy, V. P. Schneider, and S. P. Applegate, J. H. McLellan, R. L. Meyer, B. H. Slaughter. 2001. The Neogene sharks, rays, and bony fishes from Lee Creek Mine, Aurora, North Carolina. Smithsonian Contributions to Paleobiology 90:71-202 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Common Name(s) | Hound Sharks, Houndsharks, Smooth Dogfishes, Smooth-hounds, Topes, Whiskery Sharks, émissoles, Cazones, Hound Shark, Hundhajar, Glatthaifamilien, ドチザメ, Ruwe En Gladde Haaien | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Wikipedia | https://en.wikipedia.org/wiki/Triakidae |
External Images
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Galeorhinini ✝ tribe | listed (PBDB) | ||||
Triakini tribe | listed (PBDB) | 6 | 56.0 Ma Paleocene | 0 Ma Extant | |
Furgaleus genus | accepted (GBIF) | No associated record in PBDB | |||
Galeorhinus genus | accepted (GBIF) listed (PBDB) | School Shark | 87 | 83.6 Ma Late/Upper Cretaceous | 0 Ma Extant |
Gogolia genus | accepted (GBIF) | No associated record in PBDB | |||
Hemitriakis genus | accepted (GBIF) | No associated record in PBDB | |||
Hypogaleus genus | accepted (GBIF) listed (PBDB) | 1 | 23.0 Ma Miocene | 23.0 Ma Miocene | |
Iago genus | accepted (GBIF) | No associated record in PBDB | |||
Mustelus genus | accepted (GBIF) listed (PBDB) | 31 | 66.0 Ma Late/Upper Cretaceous | 0 Ma Extant | |
Pachygaleus ✝ genus | listed (PBDB) | 15 | 59.2 Ma Paleocene | 47.8 Ma Eocene | |
Palaeogaleus ✝ genus | accepted (GBIF) listed (PBDB) | 14 | 83.5 Ma Late/Upper Cretaceous | 55.8 Ma Eocene | |
Paratriakis genus | accepted (GBIF) | No associated record in PBDB | |||
Scylliogaleus genus | accepted (GBIF) | No associated record in PBDB | |||
Triakis genus | accepted (GBIF) | No associated record in PBDB |
Obsolete Names
Name | Source | Taxon Rank | Taxonomy |
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Triakididae | GBIF | family | Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Triakididae |
Eugaleidae | GBIF | family | Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Eugaleidae |
Emissolidae | GBIF | family | Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Emissolidae |
Scylliogaleidae | GBIF | family | Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Scylliogaleidae |
Synonymy List
Year | Name and Author |
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1851 | Triakidae Gray |
1992 | Triakidae Cappetta p. 644 |
1993 | Triakidae Cvancara and Hoganson p. 9 |
1999 | Triakidae Underwood et al. p. 292 |
2000 | Triakidae Long and Stilwell p. 350 |
2001 | Triakidae Purdy et al. p. 139 |
Year | Name and Author |
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2006 | Triakidae Underwood p. 234 |
2009 | Triakidae Cicimurri and Knight p. 635 |
2017 | Triakidae Engelbrecht et al. p. 2 |
2018 | Triakidae Kent p. 104 |
2019 | Triakidae Ebersole et al. p. 61 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!