PBDB Taxon

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Helcionelloida

Taxonomy

Helcionelloida was named by Peel (1991).

It was assigned to Mollusca by Sepkoski (2002) and Wotte (2006).

Subtaxa

Beshtashella (syn. Paraformichella), Ceratoconidae, Emargimantus, Helcionellida, Helcionelliformes, Michniakia, Pelagiellida

Sister taxa

Helcionellida, Helcionelliformes, Pelagiellida

Synonymy list

Year	Name and author
1991	Helcionelloida Peel p. 29
2002	Helcionelloida Sepkoski
2006	Helcionelloida Wotte p. 149

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia

Rank	Name	Author
superphylum	Lophotrochozoa
phylum	Mollusca
class	Helcionelloida	Peel 1991
class	Helcionelloida	Peel 1991

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.

Cl. †Helcionelloida Peel 1991

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G. †Beshtashella Missarzhevsky and Mambetov 1981

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†Beshtashella tortilis Missarzhevsky and Mambetov 1981

Invalid names: Paraformichella orientalis Qian and Zhang 1983 [synonym]

Invalid names: Paraformichella Qian and Zhang 1983 [synonym]

Fm. †Ceratoconidae Missarzhevsky 1989

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G. †Ceratoconus Chen and Zhang 1980

†Ceratoconus bucerus Chen 1984

†Ceratoconus striatus Chen and Zhang 1980

G. †Masculuconus Feng et al. 2000

†Masculuconus curvativus Feng et al. 2000

G. †Emargimantus Skovsted et al. 2012

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†Emargimantus angulatus Skovsted et al. 2012

†Emargimantus tunuensis Peel and Skovsted 2005

Or. †Helcionellida Geyer 1994

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Fm. †Coreospiridae Knight 1952

G. †Anconochilus Knight 1947

†Anconochilus barnesi Knight 1947

G. †Cambrospira Yü 1979

†Cambrospira sinensis Yü 1979

G. †Coreospira Saito 1936

†Coreospira raymondi Shaw 1957

†Coreospira rugosa Saito 1936

†Coreospira walcotti Knight 1947

G. †Humilispira Parkhaev 2001

†Humilispira adelocosma Zhou and Xiao 1984

G. †Kutanjia Kruse 1991

†Kutanjia ngalbala Kruse 1991

G. †Latouchella Cobbold 1921

†Latouchella accordionata Runnegar and Jell 1976

†Latouchella adunca Zhou and Xiao 1984

†Latouchella arcuata Gubanov et al. 2004

†Latouchella costata Cobbold 1921

†Latouchella dimicostata Wang 1994

†Latouchella gobiica Zhegallo 1982

†Latouchella huangshandongensis Yü 1979

†Latouchella jacobinica Geyer 1986

†Latouchella memorabilis Rozanov et al. 1969

†Latouchella orientalis Walcott 1905

†Latouchella ostenfeldense Skovsted 2004

†Latouchella sanxiaensis Yü 1979

Invalid names: Archaeospira Yü 1979 [synonym], Cambroconus Yu 1981 [synonym], Gibbaspira He 1984 [synonym], Huanglingella Chen et al. 1981 [synonym], Hubeispira Yu 1981 [synonym], Reticulatoconus [synonym], Uncinaspira He 1984 [synonym], Yunnanospira Jian 1980 [synonym]

G. †Owenella Ulrich and Scofield 1897

†Owenella antiquata Whitfield 1878

G. †Shabaktiella Missarzhevsky and Mambetov 1981

G. †Tichkaella Geyer 1986

†Tichkaella carinata Rasetti 1957

†Tichkaella hamata Geyer 1986

†Tichkaella insulcata Rasetti 1957

Invalid names: Archaeospiridae Yu 1979 [synonym], Latouchellidae Golikov and Starobogatov 1989 [synonym], Yangtzespiridae Yu 1984 [synonym]

Superfm. †Helcionelloidea Wenz 1938

Fm. †Carinopeltidae Parkhaev 2013

G. †Carinopelta Parkhaev 2013

†Carinopelta carinata Parkhaev 2001

†Carinopelta mirabilis Yü 1979

Invalid names: Carinopelta levis Vassiljeva 1990 [synonym]

Invalid names: Igarkiella Vasil’yeva 1998 [replaced]

G. †Gonamella Val'kov and Karlova 1984

†Gonamella rostrata Val'kov and Karlova 1984

G. †Mastakhella Missarzhevsky 1989

†Mastakhella incurva Missarzhevsky 1989

G. †Protoconus Yü 1979

†Protoconus crestatus Yü 1979

†Protoconus elegans Yü 1979

Invalid names: Purella tianzhushanensis Yü 1979 [synonym]

Invalid names: Patellella Vassiljeva 1990 [synonym]

G. †Squamiconus Vassiljeva 1990

Fm. †Helcionellidae Wenz 1938

G. †Absidaticonus

†Absidaticonus ovatus He and Yang 1982

Invalid names: Yangtzedonta primitiva Yu 1985 [synonym]

†Absidaticonus triangulatus Xing et al. 1984

Invalid names: Yangtzedonta Yu 1985 [synonym]

G. †Aegitellus Feng et al. 2000

†Aegitellus placus Luo et al. 1982

Invalid names: Aegitellus concentricus Feng et al. 2000 [synonym], Tannuella retusa Luo and Jiang 1982 [synonym]

G. †Anabarella Vostokova 1962

†Anabarella australis Bengtson et al. 1990

Invalid names: Anabarella argus Bengtson et al. 1990 [synonym]

†Anabarella chelata Skovsted 2006

†Anabarella gypirhynchosa Xing et al. 1984

†Anabarella kuruktagensis Yü 1986

†Anabarella navaranae Peel 2021

†Anabarella plana Vostokova 1962

†Anabarella simesi MacKinnon 1985

†Anabarella tshitaensis Parkhaev 2004

G. †Anabaroconus Gubanov et al. 2004

†Anabaroconus sibiricus Gubanov et al. 2004

G. †Anhuiconus Zhou and Xiao 1984

†Anhuiconus agrenon Vendrasco et al. 2010

†Anhuiconus microtuberus Zhou and Xiao 1984

Invalid names: Anchuispira microtuberus Feng 1994 [synonym]

Invalid names: Anchuispira Feng 1994 [synonym]

G. †Anuliconus Parkhaev 2001

†Anuliconus campanula Parkhaev 2001

†Anuliconus gonamica Val'kov and Karlova 1984

†Anuliconus magnificus Parkhaev 2001

†Anuliconus tannuelliformis Parkhaev 2004

†Anuliconus truncatus Parkhaev 2001

G. †Asiapatella Parkhaev and Demidenko 2010

†Asiapatella sinuata Parkhaev and Demidenko 2010

†Asiapatella undulata Yu 1981

Invalid names: Palaeacmaea bella He and Yang 1982 [synonym]

Invalid names: Pseudopatella Esakova and Zhegallo 1996 [replaced]

G. †Asperconella Landing and Bartowski 1996

†Asperconella gloriae Landing and Bartowski 1997

†Asperconella troyensis Resser 1938

G. †Auricullina Vasil’yeva 1998

†Auricullina granulosa Parkhaev 2006

†Auricullina papulosa Vasil’yeva 1998

G. †Bemella Rozanov et al. 1969

†Bemella ambita Barskova 1987

†Bemella amplaperata Yü 1979

Invalid names: Bemella emeiensis Xing et al. 1984 [synonym]

†Bemella atava He 1984

†Bemella barskovae Parkhaev 2001

Invalid names: Bemella minuta Barskova 1988 [replaced]

†Bemella bella Chen and Zhang 1980

†Bemella communis Parkhaev 2001

†Bemella flexa Barskova 1988

†Bemella incomparabilis Parkhaev 2001

†Bemella jacutica Rozanov and Missarzhevsky 1966

†Bemella malycanica Rozanov and Missarzhevsky 1966

†Bemella minuta Luo et al. 1982

†Bemella multicarinata Chen and Zhang 1980

†Bemella parula Rozanov et al. 1969

†Bemella rotundata Chen et al. 1981

†Bemella septata Rozanov and Missarzhevsky 1966

†Bemella villemsonae Barskova 1988

†Bemella vonbitteri Landing et al. 1989

†Bemella xinjiensis Feng et al. 1994

Invalid names: Charaulachella Vassiljeva 1990 [synonym], Kalbyella Berg-Madsen and Peel 1978 [synonym], Latirostratus Yü 1979 [synonym], Repenoconus Feng et al. 1994 [synonym], Rostroconus [synonym], Sacciconus Jiang 1980 [synonym], Sichuanospira He 1984 [synonym], Striatoconus Feng et al. 2000 [synonym]

G. †Calyptroconus Parkhaev 2001

†Calyptroconus radiatus Parkhaev 2001

G. †Capitoconus Skovsted 2004

†Capitoconus artus Skovsted 2004

†Capitoconus inclinatus Skovsted 2004

†Capitoconus nana Zhou and Xiao 1984

G. †Chuiliella Gubanov and Peel 2001

†Chuiliella elenae Gubanov and Peel 2001

G. †Cycloholcus Knight 1947

†Cycloholcus nummus Knight 1947

G. †Daedalia Parkhaev 2001

†Daedalia daedala Parkhaev 2001

G. †Davidonia Parkhaev 2017

†Davidonia rostratum Zhou and Xiao 1984

Invalid names: Davidonia anhuiensis Zhou and Xiao 1984 [synonym], Davidonia costata Zhou and Xiao 1984 [synonym], Davidonia obliqua Landing and Bartowski 1996 [synonym], Mackinnonia davidi Bengtson et al. 1990 [synonym]

†Davidonia taconica Landing and Bartowski 1996

G. †Emarginoconus Yü 1979

†Emarginoconus mirus Yü 1979

Invalid names: Diandongoconus varians He and Yang 1982 [synonym], Emarginoconus nana Chen and Zhang 1980 [synonym]

G. †Eocyrtolites Yü 1986

†Eocyrtolites radiatus Yü 1986

G. †Fenqiaronia Parkhaev 2001

†Fenqiaronia proboscis Feng et al. 1994

G. †Figurina Parkhaev 2001

†Figurina capitata Parkhaev 2001

†Figurina figurina Parkhaev 2001

†Figurina groenlandica Skovsted 2004

†Figurina polaris Peel 2021

G. †Guadalquivirospira Gubanov et al. 2004

†Guadalquivirospira carinata Gubanov et al. 2004

G. †Hampilina Kobayashi 1958

†Hampilina alta Kobayashi 1958

†Hampilina goniospira Kobayashi 1958

G. †Helcionella Grabau and Shimer 1909

†Helcionella antiqua Abaimova 1976

†Helcionella aspera Noetling 1894

†Helcionella capula Geyer 1986

†Helcionella explanata Feng et al. 2000

†Helcionella histosia Jacquet and Brock 2016

†Helcionella kunyangensis He and Yang 1982

†Helcionella lemdadensis Geyer et al. 2018

†Helcionella pricei Resser and Howell 1938

†Helcionella radiata Yü 1979

†Helcionella sidingshanensis Zhou and Xiao 1984

†Helcionella subrugosa Hall 1847

Invalid names: Metoptoma rugosa Hall 1847 [replaced]

†Helcionella tianzhushanensis Yü 1979

†Helcionella waageni Redlich 1899

†Helcionella xinjiangensis Yü 1986

†Helcionella yunnanensis Zhang and Babcock 2002

Invalid names: Pseudotheca Redlich 1899 [synonym]

G. †Hispanoconus Gubanov et al. 2004

†Hispanoconus cordobaensis Gubanov et al. 2004

G. †Hujiagouella

†Hujiagouella shouxianensis Zhou and Xiao 1984

G. †Igorella Rozanov et al. 1969

†Igorella cyrtoliformis Yü 1979

†Igorella durara Kruse 1991

†Igorella hamata Yü 1979

†Igorella iacobinica Geyer 1986

†Igorella lata Chen et al. 1981

†Igorella minuta Feng et al. 2000

†Igorella monstrosa Rozanov et al. 1969

†Igorella orientalis Chen et al. 1981

†Igorella shabaktiensis Missarzhevsky and Mambetov 1981

†Igorella talassica Missarzhevsky and Mambetov 1981

†Igorella ungulata Rozanov et al. 1969

†Igorella xilingensis Chen et al. 1981

†Igorella xundianensis Wang 1994

Invalid names: Bemellina Vassiljeva 1998 [synonym], Chabaktiella Missarzhevsky and Mambetov 1981 [synonym], Compressoconus Vassiljeva 1998 [synonym], Dianella Wang 1994 [synonym], Igorellina Missarzhevsky 1989 [synonym], Maidipingoconus Yü 1979 [synonym], Songlinella Chen et al. 1981 [synonym]

G. †Ilsanella Missarzhevsky 1981

†Ilsanella applanata Parkhaev 2001

†Ilsanella atdabanica Rozanov and Missarzhevsky 1966

†Ilsanella coreanicum Kobayashi 1958

†Ilsanella critica Barskova 1987

†Ilsanella diversa Barskova 1988

†Ilsanella enallaxa Jacquet and Brock 2016

†Ilsanella galinae Barskova 1988

†Ilsanella historica Barskova 1987

†Ilsanella oblonga Cobbold 1921

Invalid names: Ilsanella comleyensis Cobbold 1921 [synonym]

†Ilsanella orectus Jiang 1982

†Ilsanella paupera Billings 1872

†Ilsanella plana Barskova 1987

†Ilsanella reticulata Zhou and Xiao 1984

†Ilsanella rozanovi Wang 1994

†Ilsanella savitskii Rozanov et al. 1969

†Ilsanella simplex Chen and Zhang 1980

†Ilsanella yorkensis Parkhaev 2001

Invalid names: Ginella Rozanov et al. 1969 [replaced], Parmophorella [synonym]

G. †Kuonamkaella Gubanov et al. 2004

†Kuonamkaella oliva Gubanov et al. 2004

G. †Lenoconus Vassiljeva 1990

G. †Leptostega Geyer 1986

†Leptostega abrupta Shaler and Foerste 1888

Invalid names: Leptostega cingulata Cobbold 1921 [synonym]

†Leptostega frankenwaldensis Geyer et al. 2018

†Leptostega hyperborea Parkhaev 2005

†Leptostega irregularis Geyer 1986

G. †Manasoconus Peel

†Manasoconus bifrons Geyer et al. 2014

G. †Marocella Geyer 1986

†Marocella antiqua Kiær 1916

†Marocella australica Parkhaev 2001

†Marocella depressa Kiær 1916

†Marocella mira Geyer 1986

†Marocella morenensis Yochelson and Gil Cid 1984

†Marocella tichkaensis Geyer 1986

G. †Minastirithella Jacquet and Brock 2016

†Minastirithella silivreni Jacquet and Brock 2016

G. †Miroconulus Parkhaev 2001

†Miroconulus parvulus Parkhaev 2001

†Miroconulus sinitsae Parkhaev 2004

G. †Nyuella

G. †Obtusoconus Yü 1979

†Obtusoconus ampla Voronin et al. 1982

†Obtusoconus brevis Esakova and Zhegallo 1996

†Obtusoconus foliaceus MacKinnon 1985

†Obtusoconus grossicostus Feng et al. 1994

†Obtusoconus honorabilis Qian et al. 1979

Invalid names: Lapworthella xianfengensis Wang 1994 [synonym], Obtusoconus aberratus Esakova and Zhegallo 1996 [synonym], Obtusoconus multicostatus Yü 1979 [synonym]

†Obtusoconus mirabilis Vasil'eva 1990

†Obtusoconus paucicostatus Yü 1979

Invalid names: Obtusoconus pygmaeus Chen and Xiong 1983 [synonym]

†Obtusoconus reduncus Gubanov et al. 2004

†Obtusoconus vostokovae Vassiljeva 1990

Invalid names: Hematoconus Chen and Xiong 1984 [synonym]

G. †Oelandia Westergård 1936

†Oelandia jingheensis Yü and Ning 1985

†Oelandia pauciplicata Westergård 1936

G. †Oelandiella Vostokova 1962

†Oelandiella aequa Resser 1939

†Oelandiella bellus Feng et al. 2000

†Oelandiella korobkovi Vostokova 1962

Invalid names: Archaeospira imbricata Yü 1979 [synonym], Archaeospira ornata Yü 1979 [synonym], Gibbaspira acutumbonalis He 1984 [synonym], Huanglingella polycostata Chen et al. 1981 [synonym], Latouchella magnifica Esakova and Zhegallo 1996 [synonym], Latouchella minuta Voronin and Zhegallo 1982 [synonym], Latouchella numerosa Esakova and Zhegallo 1996 [synonym], Latouchella sonlingpoensis Chen and Zhang 1980 [synonym], Oelandiella sibirica Vostokova 1962 [synonym], Pseudoyangtzespira selindeica Bokova 1990 [synonym], Uncinaspira pristina He 1984 [synonym], Uncinaspira ruidocostata He 1984 [synonym], Yangtzespira eximia Yü 1979 [synonym], Yangtzespira multicostata Xing and He 1984 [synonym], Yangtzespira regularis Jiang 1980 [synonym], Yangtzespira xindianensis Yu 1981 [synonym]

†Oelandiella maidipingensis Yü 1974

Invalid names: Anabarella lentiformis Xing et al. 1984 [synonym]

Invalid names: Pseudoyangtzespira Bokova 1990 [synonym], Yangtzespira Yü 1979 [synonym]

G. †Papilloconus Feng et al. 2000

G. †Parapelagiella Kobayashi 1939

†Parapelagiella hinomotoensis Kobayashi 1933

G. †Pararaconus Bengtson et al. 1990

†Pararaconus paradoxus Parkhaev 2001

†Pararaconus staitorum Bengtson et al. 1990

G. †Paucella Vassiljeva 1990

G. †Pedrocheotheca Gubanov et al. 2004

†Pedrocheotheca andalusica Gubanov et al. 2004

G. †Perssuakiella Peel 1988

†Perssuakiella troelseni Peel 1988

G. †Postacanthella

†Postacanthella elegans Xing et al. 1984

G. †Prosinuites Poulsen 1967

†Prosinuites lepidus Yü 1979

Invalid names: Prosinuites hubeiensis Xing et al. 1984 [synonym]

G. †Protowenella Runnegar and Jell 1976

†Protowenella cobbensis MacKinnon 1985

†Protowenella flemingi Runnegar and Jell 1976

†Protowenella huainanensis Zhou and Xiao 1984

†Protowenella lancaraensis Wotte 2006

†Protowenella plena Missarzhevsky and Mambetov 1981

†Protowenella primaria Zhou and Xiao 1984

G. †Pseudopollicina Vostokova 1962

G. †Randomia Matthew 1899

†Randomia aurorae Matthew 1899

G. †Securiconus Jiang 1980

†Securiconus costulatus Missarzhevsky 1989

†Securiconus emeiensis Yü 1979

†Securiconus incertus Bokova 1985

†Securiconus obscuricosta Zhou and Xiao 1984

†Securiconus simplex Yü 1979

Invalid names: Striatoconus yuluensis Feng et al. 2000 [synonym]

†Securiconus simus Luo et al. 1982

†Securiconus vulgaris Feng et al. 1994

G. †Tannuella Rozanov et al. 1969

†Tannuella chaoi Chen et al. 1981

†Tannuella elata Rozanov et al. 1969

†Tannuella elinorae Brock and Patterson 2004

G. †Totoralia Tortello and Sabattini 2011

†Totoralia reticulata Morris and Peel 2013

G. †Truncatoconus Yü 1979

†Truncatoconus campylurus Jiang 1980

†Truncatoconus yichangensis Yü 1979

Invalid names: Maishucunconus [synonym]

G. †Tuoraconus Missarzhevsky 1989

†Tuoraconus acutatus Missarzhevsky 1989

Invalid names: Eosoconidae Yu 1979 [synonym], Hampilininae Kobayashi 1958 [empty], Yangtzeconinae Yu 1979 [empty]

Fm. †Igarkiellidae Parkhaev 2002

G. †Asperoconus Yü 1979

†Asperoconus granuliferus Yü 1979

Invalid names: Procarinariidae Wenz 1938 [empty]

G. †Tribelopoma Jacquet et al. 2016

†Tribelopoma amygdala Jacquet et al. 2016

Superfm. †Yochelcionelloidea Runnegar and Jell 1976

Fm. †Rugaeconidae Vassiljeva 1990

G. †Dorispira Parkhaev and Demidenko 2010

†Dorispira aliciae Brock 1998

†Dorispira aperta Orlowski 1968

†Dorispira arguta Resser 1939

†Dorispira burlingi Resser 1939

†Dorispira comma Geyer 1986

†Dorispira holmdalense Peel 1988

†Dorispira lauta Yü 1979

†Dorispira merino Runnegar and Jell 1976

†Dorispira pearylandica Peel 1988

†Dorispira penecyrano Runnegar and Jell 1976

†Dorispira pocatelloensis Geyer 1994

†Dorispira terraustralis Runnegar and Jell 1976

G. †Xianfengella He and Yang 1982

†Xianfengella prima He and Yang 1982

Invalid names: Scutatestomaconus latus Chen and Zhang 1980 [synonym]

†Xianfengella yatesi Parkhaev 2001

Invalid names: Obscurania Vassiljeva 1990 [synonym], Rugaeconus Vassiljeva 1990 [synonym], Scutatestomaconus [synonym]

Fm. †Stenothecidae Runnegar and Jell 1980

G. †Acanthotheca Vendrasco et al. 2011

†Acanthotheca junior Runnegar 1996

G. †Eurekapegma MacKinnon 1985

†Eurekapegma cooperi MacKinnon 1985

G. †Mellopegma Runnegar and Jell 1976

†Mellopegma georginensis Runnegar and Jell 1976

†Mellopegma indecora Rozanov et al. 1969

†Mellopegma schizocheras Vendrasco et al. 2011

†Mellopegma uslonica Parkhaev 2004

G. †Planutenia Elicki 1994

†Planutenia flectata Elicki 1994

Invalid names: Planutenia inclinata Elicki 1994 [synonym]

Invalid names: Aequiconus Parkhaev 2001 [synonym]

G. †Pseudoscenella Starobogatov and Moskalev 1987

†Pseudoscenella hujingtanensis Yü 1979

†Pseudoscenella levigata Parkhaev and Demidenko 2010

†Pseudoscenella manchurica Kobayashi 1933

G. †Stenotheca Hicks 1872

†Stenotheca acutacosta Walcott 1890

†Stenotheca angusta Cobbold 1935

†Stenotheca clotho Walcott 1912

†Stenotheca cornucopia Hicks 1872

†Stenotheca drepanoida He et al. 1984

Invalid names: Mellopegma absida Li and Ding 1996 [synonym]

†Stenotheca higginsi Peel 2021

†Stenotheca lata Cobbold 1935

†Stenotheca norvegica Resser 1938

†Stenotheca pojetai Runnegar and Jell 1976

†Stenotheca tepee Runnegar and Jell 1976

†Stenotheca transbaikalica Parkhaev 2004

Invalid names: Mellopegmidae Missarzhevsky 1989 [synonym], Stenothecinae Runnegar and Jell 1980 [invalid subgroup], Watsonellinae Parkhaev 2002 [empty]

Fm. †Trenellidae Parkhaev 2001

G. †Mackinnonia Bengtson et al. 1990

†Mackinnonia anabarica Parkhaev 2005

†Mackinnonia corrugata Bengtson et al. 1990

†Mackinnonia puppis Høyberget et al. 2015

G. †Parailsanella Voronova et al. 1987

†Parailsanella acris Voronova et al. 1987

†Parailsanella inpocera Zhegallo 1983

†Parailsanella lata Parkhaev 2001

†Parailsanella murenica Esakova and Zhegallo 1996

†Parailsanella sayutinae Parkhaev 2004

Invalid names: Isitella Missarzhevsky 1989 [synonym]

G. †Trenella Parkhaev 2001

†Trenella bifrons Parkhaev 2001

G. †Tubatoconus Feng et al. 2000

†Tubatoconus yuluensis Feng et al. 2000

G. †Udzhella Vassiljeva 1990

Fm. †Yochelcionellidae Runnegar and Jell 1976

G. †Enigmaconus MacKinnon 1985

†Enigmaconus parvus MacKinnon 1985

†Enigmaconus pyramidalis Kouchinsky et al. 2013

G. †Eotebenna Runnegar and Jell 1976

†Eotebenna arctica Peel 1989

†Eotebenna papilio Runnegar and Jell 1976

†Eotebenna pontifex Runnegar and Jell 1976

†Eotebenna recta Missarzhevsky and Mambetov 1981

†Eotebenna viviannae Peel 1991

G. †Janospira

G. †Yochelcionella Runnegar and Pojeta 1974

†Yochelcionella aichalica Schabanov et al. 1987

†Yochelcionella americana Runnegar and Pojeta 1980

†Yochelcionella angustiplicata Hinz-Schallreuter 1997

†Yochelcionella chinensis Pei 1985

†Yochelcionella crassa Esakova and Zhegallo 1996

†Yochelcionella cyrano Runnegar and Pojeta 1974

†Yochelcionella daleki Runnegar and Jell 1976

†Yochelcionella erecta Walcott 1891

†Yochelcionella gracilis Atkins and Peel 2004

†Yochelcionella greenlandica Atkins and Peel 2004

†Yochelcionella ostentata Runnegar and Jell 1976

†Yochelcionella pelmani Vassiljeva 1990

†Yochelcionella saginata Vendrasco et al. 2010

†Yochelcionella snorkorum Vendrasco et al. 2010

†Yochelcionella stylifera Missarzhevsky and Mambetov 1981

Invalid names: Runnegarella Parkhaev 2002 [synonym]

Invalid names: Enigmaconidae MacKinnon 1985 [synonym]

G. †Michniakia Missarzhevsky 1966

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†Michniakia minuta Rozanov and Missarzhevsky 1966

Or. †Pelagiellida

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Fm. †Aldanellidae Linsley and Kier 1984

G. †Aldanella Vostokova 1962

†Aldanella attleborensis Shaler and Foerste 1888

Invalid names: Aldanella kolymica Barskova 1988 [synonym], Aldanella operosa Rozanov and Missarzhevsky 1966 [synonym], Aldanella polonica Lendzion 1977 [synonym], Aldanella rozanovi Rozanov et al. 1969 [synonym], Aldanella utchurica Rozanov et al. 1969 [synonym], Aldanella yanjiaheensis Chen 1984 [synonym]

†Aldanella costata Missarzhevsky 1989

†Aldanella crassa Rozanov et al. 1969

†Aldanella golubevi Parkhaev 2007

†Aldanella iberica Gubanov et al. 2004

†Aldanella kunda Opik 1926

†Aldanella patelliforma Bokova 1990

†Aldanella patelliformis Bokova 1990

†Aldanella remota Billings 1872

†Aldanella sibirica Parkhaev and Karlova 2011

Invalid names: Paraaldanella Golubev 1976 [synonym]

G. †Nomgoliella Missarzhevsky 1980

†Nomgoliella australiensis Parkhaev 2001