Proetidae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

of proetid

trilobite Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most succ ...

s. The first species appeared in the Upper Ordovician, and the last genera survived until the Middle

Permian The Permian ( ) is a geologic period and System (stratigraphy), stratigraphic system which spans 47 million years, from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the s ...

. However, if the closely related family Phillipsiidae is actually a subfamily of Proetidae, then the proetids of Proetidae survive until the end of the Permian, where the last perish during the

Permian–Triassic extinction event The Permian–Triassic extinction event (also known as the P–T extinction event, the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially as the Great Dying,) was an extinction ...

Genera

Proetidae ostensibly contains these following genera, though many may be placed in Phillipsiidae if the latter is, indeed, a distinct family. *'' Aayemenaytcheia'' *'' Aceroproetus'' *'' Alaskalethe'' *'' Altajaspis'' *'' Anambon'' *'' Anglibole'' *'' Angustibole'' *'' Anujaspis'' *'' Appendicysta'' *'' Aprathia'' *'' Archaeocoryphe'' *'' Ascetopeltis'' *'' Astroproetus'' (syn=''Xiushuiproetus'', ''Zhejiangoproetus'') *'' Australokaskia'' *'' Bailielloides'' *'' Bapingaspis'' *'' Basidechenella'' *'' Beleckella'' *'' Belgibole'' *'' Benesovella'' *'' Bitumulina'' *'' Blodgettia'' *'' Bohemiproetus'' *'' Bolivicrania'' *'' Boliviproetus'' *'' Bollandia'' *'' Bonnaspidella'' *'' Borelia'' *'' Brevibole'' *'' Burgesina'' *'' Calybole'' *'' Camsellia'' *'' Carbonoproetus'' *'' Carlopsia'' *'' Carniphillipsia'' *'' Ceratoproetus'' *'' Chauffouraspis'' *'' Chaunoproetoides'' *'' Chaunoproetus'' *'' Chiides'' *'' Chiops'' *'' Chlupacula'' *'' Chuanqianoproetus'' *'' Clavibole'' *'' Comptonaspis'' *'' Coniproetus'' *'' Conophillipsia'' *''

Constantina Flavia Valeria Constantina (also sometimes called ''Constantia'' and ''Constantiana''; ; b. after 307/before 317 – d. 354), later known as Saint Constance, was the eldest daughter of Roman emperor Constantine the Great and his second wife Faust ...

'' *'' Coombewoodia'' *'' Craspedops'' *'' Crassibole'' *'' Crassiproetus'' *'' Cyphinioides'' *'' Cyphoproetus'' *'' Cyrtodechenella'' *'' Cyrtoproetus'' *'' Cyrtosymbole'' *'' Cystispina'' *'' Daihuaia'' *'' Dayinaspis'' *'' Dechenella'' *'' Dechenelloides'' *'' Dechenellurus'' *'' Deinoproetus'' *'' Deltadechenella'' *'' Diabole'' *'' Diacoryphe'' *'' Drevermannia'' *'' Dudu'' *'' Dushania'' *'' Effops'' *'' Ejinoproetus'' *'' Elegenodechenella'' *'' Elimaproetus'' *'' Elliptophillipsia'' *'' Endops'' *'' Engelomorrisia'' (syn=''Capricornia'') *'' Ensecoryphe'' *'' Eocyphinium'' *'' Eocyrtosymbole'' *'' Eodrevermannia'' *'' Eomicrophillipsia'' *'' Eopalpebralia'' *'' Eosoproetus'' *'' Eowinterbergia'' *'' Erbenaspis'' *'' Erbenites'' *'' Evagena'' *'' Exochops'' *'' Flexidechenella'' *'' Formonia'' *'' Francenaspis'' *'' Franconicabole'' *'' Frithjofia'' *'' Fuscinipyge'' *'' Ganinella'' *'' Gapeevella'' *'' Geigibole'' *'' Georhithronella'' *'' Gerastos'' *'' Gitarra'' *'' Globusia'' *'' Globusiella'' *'' Globusoidea'' *'' Gomiites'' *'' Gracemerea'' *'' Hassiabole'' *'' Hedstroemia'' *'' Helioproetus'' *'' Helmutia'' *'' Helokybe'' *'' Humeia'' *'' Humilogriffithides'' *'' Hunanoproetus'' *'' Hypaproetus'' *'' Jinia'' *'' Karginella'' *'' Kaskia'' *'' Kathwaia'' *'' Kerpenella'' *'' Khalfinella'' *'' Kolymoproetus'' *'' Kosovoproetus'' *'' Krambedrysia'' *'' Kulmiella'' *'' Kulmogriffithides'' *'' Lacunoporaspis'' *'' Laevibole'' *'' Langgonbole'' *'' Latibole'' *'' Latiglobusia'' *'' Latiproetus'' *'' Lauchellum'' *'' Lichanocoryphe'' *'' Linguaphillipsia'' *'' Liobole'' *'' Liobolina'' *'' Longilobus'' *'' Longiproetus'' *'' Lophiokephalion'' *'' Lugalella'' *'' Luojiashania'' *'' Macrobole'' *'' Mahaiella'' *'' Malayaproetus'' *'' Malchi'' *'' Mannopyge'' *'' Megaproetus'' *'' Menorcaspis'' *'' Merebolina'' *'' Metaphillipsia'' *''Mezzaluna'' *'' Microspatulina'' *'' Mirabole'' *'' Monodechenella'' *'' Moravocoryphe'' *'' Moschoglossis'' *'' Myoproetus'' *'' Namuraspis'' *'' Neogriffithides'' *'' Neokaskia'' *'' Nitidocare'' *'' Nodiphillipsia'' *'' Oehlertaspis'' *'' Oidalaproetus'' *'' Orbitoproetus'' *'' Ormistonaspis'' *'' Omlistonia'' *'' Ormistoniella'' *'' Osmolskia'' *'' Otodechenella'' *''

Paladin The Paladins, also called the Twelve Peers (), are twelve legendary knights, the foremost members of Charlemagne's court in the 8th century. They first appear in the medieval (12th century) ''chanson de geste'' cycle of the Matter of France, wh ...

'' *'' Palaeophillipsia'' *'' Paleodechenella'' *'' Palpebralia'' *'' Panibole'' *'' Parachaunoproetus'' *'' Paradechenella'' *'' Parafrithjofia'' *'' Paraglobusia'' *'' Paragriffithides'' *'' Paramirabole'' *'' Parangustibole'' *'' Parapalpebralia'' *'' Paraproetus'' *'' Parawarburgella'' *'' Particeps'' *'' Parvidumus'' *'' Paryfenus'' *'' Pedinocoryphe'' *'' Pedinodechenella'' *'' Perexigupyge'' *'' Perliproetus'' *'' Phillibolina'' *'' Philliboloides'' *'' Phyllaspis'' *'' Planilobus'' *'' Planokaskia'' *'' Plesiowensus'' *'' Podoliproetus'' *'' Pontipalpebralia'' *'' Praedechenella'' *'' Pragoproetus'' *'' Prantlia'' *'' Prodiacoryphe'' *'' Proetocephalus'' *'' Proetus'' *'' Pseudobollandia'' *'' Pseudocyrtosymbole'' *'' Pseudodechenella'' *'' Pseudodudu'' *'' Pseudogerastos'' *'' Pseudoproetus'' *'' Pseudosilesiops'' *'' Pseudospatulina'' *'' Pseudowaribole'' *'' Pudoproetus'' *'' Pulcherproetus'' *'' Pusillabole'' *'' Raerinproetus'' *'' Reediella'' *'' Rhenocynproetus'' *'' Rhenogriffides'' *'' Richterella'' *'' Rijckholtia'' *'' Rosehillia'' *'' Rugulites'' *'' Schaderthalaspis'' *'' Schizophillipsia'' *'' Schizoproetina'' *'' Schizoproetoides'' *'' Schizoproetus'' *'' Semiproetus'' *'' Sevillia'' *'' Silesiops'' *'' Simaproetus'' *'' Sinobole'' *'' Sinocyrtoproetus'' *'' Sinopaladin'' *'' Sinoproetus'' *'' Sinosymbole'' *'' Skemmatocare'' *'' Skemmatopyge'' *'' Spatulata'' (syn=''Spatulina'' ) *'' Spergenaspis'' *'' Spinibolops'' *'' Struveproetus'' *'' Sulcubole'' *'' Tawstockia'' *'' Taynaella'' *'' Tcherkesovia'' *'' Tetinia'' *'' Thaiaspella'' *'' Thalabaria'' *'' Thebanaspis'' *'' Tropidocare'' *'' Tschernyschewiella'' *'' Typhloproetus'' *'' Unguliproetus'' *'' Vandergrachtia'' *'' Vittaella'' *'' Wagnerispina'' *'' Waideggula'' *'' Waigatchella'' *'' Warburgella'' *'' Waribole'' *'' Weberiphillipsia'' *'' Westropia'' *'' Weyeraspis'' *'' Winiskia'' *'' Winterbergia'' *'' Witryides'' *'' Xenadoche'' *'' Xenoboloides'' *'' Xenocybe'' *'' Xenodechenella'' *'' Xiangzhongella'' *'' Xiushuiproetus'' *'' Yanshanaspis'' *'' Yichangaspis'' *'' Yishanaspis'' *'' Yuanjia'' (syn=''Haasia'') *'' Zhegangula'' *'' Zhejiangoproetus''

References

Proetida Trilobite families Ordovician trilobites Silurian trilobites Devonian trilobites Permian trilobites Carboniferous trilobites Late Ordovician first appearances Guadalupian extinctions Prehistoric arthropod families {{proetida-stub