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Proetida

Trilobita - Proetida

Taxonomy
Proetida was named by Fortey and Owens (1975).

It was assigned to Trilobita by Chatterton and Perry (1977) and Sepkoski (2002).

Subtaxa
Aceroproetus, Acetopeltis, Appendicysta, Aprathia, Ascopeltis, Aulacopleuridae (syn. Pseudotrinodidae), Aulacopleuroidea, Bailielloides, Bapingaspis, Bathyuridae, Bitumulina, Bolivicrania, Boliviproetus, Borealia, Calybole, Cammingella, Camsellia, Ceratoproetus, Chauffouraspis, Clavibole, Coignops, Constantina, Daihuaia, Dechenellurus, Devonocoryphe, Devonoproetus, Dimeropygidae (syn. Toernquistiidae), Dohmiella, Dudu, Eocyrtosymbole, Eoproetus, Erbenicoryphe, Eudechenella, Evagena, Formonia, Frithjofia, Ganinella, Gapeevella, Gitarra, Gonioteloides, Gracemerea, Hanjiangaspis, Helioproetoides, Hexianella, Holotrachelidae, Huanoproetus, Humeia, Humilogriffithides, Hypaproetus, Karginella, Kegeliella, Khalfinella, Kinderlania, Kolymoproetus, Kulmiella, Langgonbole, Linguaproetus, Lophiokephalion, Mahaiella, Merebolina, Monodechella, Moravocoryphe, Niachangella, Oehlertia, Oidalaproetus, Pachyproetus, Palaeophillipsia, Panarchaegonus, Parachaunoproetus, Paradechenella, Parafrithjofia, Paragriffithides, Parapalebralia, Parawarburgella, Particeps, Paryfenus, Perakaspis, Perliproetus, Phaselops, Phyllaspis, Platyantyx, Pontipalpebralia, Prodiacoryphe, Proetidae, Proetocephalus, Proetoidea, Proscharyia, Pseudogerastos, Pterocoryphe, Pulcherproetus, Pusillaboles, Quyuania, Radonia, Richteraspis, Scharyiidae, Schizophillipsia, Sinobole, Skemmatocare, Sperginaspis, Tayanaella, Tcherkesovia, Tekinia, Telephinidae, Thalabaria, Tropidocoryphidae, Tschernyschewiella, Vandergrachtia, Vitaella, Wagnerispina, Waideggula, Weberiphillipsia, Xenoboloides, Xenodechenella, Xiangzhongella, Yanshanaspis, Yichangaspis, Zhegangula

View classification of included taxa

Synonymy list
YearName and author
1975Proetida Fortey and Owens
1977Proetida Chatterton and Perry p. 777
2002Proetida Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
orderProetidaFortey and Owens 1975

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Comments: "organic particle feeders on soft sediments"; applies to "primitive members" onlyo
Created: 2012-08-27 22:22:34
Modified: 2012-08-27 07:22:49
Source: o = order, c = class
References: Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the Demingian to the top of the Changhsingian or 485.40000 to 252.17000 Ma

Collections (3022 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ibexian488.3 - 471.8USA (Nevada) Bathyurus acutus (104440) Bathyurus extans (104439) Goniophrys sp. (104536) Licnocephala sp. (104563) Pseudohystricurus sp. (104558)
Ibexian488.3 - 471.8Canada (Quebec) Acidiphorus moorei (111444) Bolbocephalus convexus (111453) Peltabellia amplimarginata (111446) Strigigenalis caudata (111458)
Ibexian488.3 - 471.8Norway (Spitsbergen) Opipeuter angularis, Bathyurina indet., Carolinites genacinaca (106470) Opipeuter inconnivus, Carolinites genacinaca, Oopsites hibernicus (106471 106472) Opipeuter sp., Carolinites genacinaca (106475)
Ibexian488.3 - 471.8USA (New York) Acidiphorus sp., Carolinites tasmanensis, Benthamaspis striata (64618)
Demingian485.4 - 478.6Canada (Newfoundland) Parahystricurus mediacrista (196438) Paraplethopeltis seelyi (195754 196501)
Demingian485.4 - 478.6Canada (Newfoundland and Labrador) Paraplethopeltis seelyi (106211)
Demingian485.4 - 478.6Canada (Alberta) Gonioteloides monoceros (50166)
Skullrockian485.4 - 478.6USA (Utah) Dimeropygidae indet. (106420)
Stairsian485.4 - 478.6USA (Utah) Bearriverops alsacharovi (106428) Bearriverops alsacharovi, Bearriverops ibexensis (106398) Bearriverops deltaensis, Bearriverops ibexensis (106429) Bearriverops loganensis, Bearriverops borderinnensis (106430) Goniophrys prima (104137 104144 104252) Licnocephala sp., Goniophrys prima (104110) Pseudohystricurus sp. (104109)
Stairsian485.4 - 478.6USA (Vermont) Bathyurus seelyi (56488)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Wuchiapingian259.9 - 254.17China (Chongqing) Pseudophillipsia chongqingensis, Pseudophillipsia obtusicauda (98068)
Lopingian259.9 - 252.17China (Jiangxi) Phillipsia obtusicauda (109628) Pseudophillipsia obtusicauda (102105)
Changhsingian254.17 - 252.17China (Guizhou) Acropyge brevica (121296) Acropyge multisegmenta (112011) Pseudophillipsia chongqingensis (117481 117483) Pseudophillipsia obtusicauda (117464) Pseudophillipsia qinglongensis, Pseudophillipsia pyriformis (112010) Pseudophillipsia sp. (112009 112091 112093)
Changhsingian254.17 - 252.17China (Xizang) Pseudophillipsia reggorcakaensis (94952)
Changhsingian254.17 - 252.17China (Sichuan) Pseudophillipsia chongqingensis (36221) Pseudophillipsia sp. (95600)
Changhsingian254.17 - 252.17China (Guangdong) Pseudophillipsia obtusicauda (105963)
Changhsingian254.17 - 252.17Thailand Pseudophillipsia ozawai (42776 42777 74982 97005)
Changhsingian254.17 - 252.17New Zealand Phillipsiidae indet. (98149)
Changhsingian254.17 - 252.17China (Chongqing) Pseudophillipsia chongqingensis (94969 94970 148539) Pseudophillipsia chongqingensis, Pseudophillipsia obtusicauda (98066) Pseudophillipsia obtusicauda (94972 94985 148544 148545) Pseudophillipsia sp. (94967 149142)
Changhsingian254.17 - 252.17China (Guangxi) Pseudophillipsia obtusicauda (149218)