PBDB Taxon

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Hyolithellus

Hyolithelminthida - Hyolithellidae

Taxonomy

Hyolithellus was named by Billings (1872) [Sepkoski's age data: V N-Da-u Cm uMid-m Sepkoski's reference number: 522,1019,1030]. Its type is Hyolithus micans. It is the type genus of Hyolithellidae.

It was assigned to Hyolithelminthes by Sepkoski (2002); and to Hyolithellidae by Fisher (1962), Rozanov et al. (1969), Wrona (2004), Skovsted (2006), Landing et al. (2008), Parkhaev and Demidenko (2010) and Kouchinsky et al. (2017).

Species

H. decorus, H. filiformis, H. grandis, H. insolitus, H. isiticus, H. micans, H. papillatus, H. rectus, H. sinuosus, H. tenuis, H. vitricus, H. vladimirovae, Rhabdochites scissus

Synonyms

Rhabdochites is a genus. It is not extant.

It was synonymized subjectively with Hyolithellus by Parkhaev and Demidenko (2010).

It was assigned to Problematica by Sepkoski (2002).

Synonymy list

Year	Name and author
1872	Hyolithellus Billings
1962	Hyolithellus Fisher p. 132
1969	Hyolithellus Rozanov et al. p. 177
2002	Hyolithellus Sepkoski
2002	Rhabdochites Sepkoski
2004	Hyolithellus Wrona p. 46
2006	Hyolithellus Skovsted p. 1100
2008	Hyolithellus Landing et al. p. 901
2010	Hyolithellus Parkhaev and Demidenko p. 941
2017	Hyolithellus Kouchinsky et al. p. 408

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Rank	Name	Author
kingdom	Animalia	()
order	Hyolithelminthida	(Fischer 1962)

Rank	Name	Author
family	Hyolithellidae
genus	Hyolithellus

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.

G. †Hyolithellus Billings 1872

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†Hyolithellus decorus Chen 1984

†Hyolithellus filiformis Bengtson et al. 1990

†Hyolithellus grandis Rozanov et al. 1969

†Hyolithellus insolitus Voronin et al. 1982

†Hyolithellus isiticus Rozanov et al. 1969

†Hyolithellus micans Billings 1871

†Hyolithellus papillatus Walcott 1912

†Hyolithellus rectus Missarzhevsky and Mambetov 1981

†Hyolithellus sinuosus Cobbold 1921

†Hyolithellus tenuis Rozanov and Missarzhevsky 1966

†Hyolithellus vitricus Missarzhevsky and Mambetov 1981

†Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966

Invalid names: Rhabdochites [synonym]

Diagnosis

Reference	Diagnosis
P. Y. Parkhaev and Y. Demidenko 2010	"Narrow conical straight or curved tubes opened from both ends, with expansion angle up to 5°. Cross-section of tubes circular. Tubes externally smooth, or bear transversal or rarely longitudinal ornamentation. Internal surface smooth. Tube wall bilaminar."

Measurements

No measurements are available

Composition:

phosphatico

Entire body:

yesg

Adult length:

10 to < 100g

Ribbing:

noneg

Spines:

noneg

Locomotion:

stationaryo

Life habit:

epifaunalg

Diet:

suspension feedero

Vision:

blindo

Comments:

LIFE HISTORY: Epifaunal (McKerrow, 1979).g

Created:

2009-02-26 07:09:36

Modified:

2009-06-11 13:04:06

Source: g = genus, o = order

References: Kiessling 2004, Hendy 2009

Age range: base of the Meishucunian to the top of the Trempealeauan or 530.70000 to 485.40000 Ma

Collections (282 total)

Time interval	Ma	Country or state	Original ID and collection number
Nemakit-Daldynian	538.8 - 525.5	China (Hunan)	H. sp. (97715)
Nemakit-Daldynian	538.8 - 525.5	Iran	H. sp. (10522) H. vladimirovae (10526)
Nemakit-Daldynian	538.8 - 525.5	China (Sichuan)	H. sp. (8088 86618)
Nemakit-Daldynian	538.8 - 525.5	China (Shaanxi)	H. annulatus (86619) H. sp., Rhabdochites excasperatus (86566 86567 86568)
Nemakit-Daldynian	538.8 - 525.5	Russian Federation (Khabarovsk Krai)	H. sp. (50367 50418)
Nemakit-Daldynian	538.8 - 525.5	China (Yunnan)	H. sp. (8089 96322 96432 171896 171898 171899)
Nemakit-Daldynian	538.8 - 525.5	India	H. isiticus, H. vladimirovae, H. insolitus (99560)
Nemakit-Daldynian	538.8 - 525.5	Russian Federation (Siberia)	H. tschuskunensis, H. sp. (50427)
Nemakit-Daldynian	538.8 - 525.5	Poland	H. sp. (72260)
Nemakit-Daldynian - Tommotian	538.8 - 521.0	China (Hubei)	H. tenuis (155448 155462 155465)
Nemakit-Daldynian - Tommotian	538.8 - 521.0	Russian Federation (Sakha)	H. vladimirovae, H. tenuis (99229)
Placentian	538.8 - 517.1	Canada (Nova Scotia)	H. micans (86746 86747)
Placentian	538.8 - 517.1	USA (Massachusetts)	H. micans (56836)
Caerfai	538.8 - 509.0	USA (New York)	H. sp. (181)
Early/Lower Cambrian	538.8 - 509.0	USA (Washington)	H. sp. (191233)
Early/Lower Cambrian	538.8 - 509.0	Greenland	H. sp. (106057 106058 106059)
Waucoban	538.8 - 509.0	USA (Washington)	H. sp. (264)
Cambrian	538.8 - 485.4	China (Yunnan)	H. annulatus (201533) H. isiticus (201510)
Meishucunian - Nemakit-Daldynian	530.7 - 525.5	China (Yunnan)	H. sp. (96431 96433)
Meishucunian	530.7 - 521.0	China (Shaanxi)	H. tenuis (107790 107791)
Meishucunian	530.7 - 521.0	China (Zhejiang)	H. sp. (108039)
Meishucunian	530.7 - 521.0	China (Hubei)	H. sp. (108415) H. sp., H. tenuis (108414) H. tenuis (106524 155468 155469 155471 155472) H. tenuis, H. decorus (106525)
Meishucunian	530.7 - 521.0	China (Sichuan)	H. isiticus (108312) H. sp., Rhabdochites scissus (107389)
Meishucunian	530.7 - 521.0	China (Yunnan)	H. sp. (108253 108254 108255)
Meishucunian	530.7 - 521.0	China (Guizhou)	H. sp. (106508 106512)
Meishucunian - Tommotian	530.7 - 521.0	China (Yunnan)	H. sp. (96286 96287 96445)
Tommotian	525.5 - 521.0	Russian Federation (Khabarovsk Krai)	H. grandis, H. vladimirovae, H. tenuis (50314) H. sp. (50420) H. vladimirovae (50370)
Tommotian	525.5 - 521.0	Russian Federation (Krasnoyarsk Krai)	H. grandis (232906) H. sp. (96396) H. sp., H. vladimirovae (233198) H. tenuis (232905) H. vladimirovae, H. tenuis (50429)
Tommotian	525.5 - 521.0	China (Yunnan)	H. sp. (94556)
Tommotian	525.5 - 521.0	Russian Federation (Yakutiya)	H. acuticostatus (80951 80952) H. annulatus, H. grandis, H. vladimirovae, H. tenuis (80796) H. grandis, H. vladimirovae, H. tenuis (96251 96394) H. sp. (10041 56858 80804) H. tenuis (80809) H. tortuosus, H. grandis, H. vladimirovae, H. tenuis (90088) H. tschuskunensis, H. grandis, H. vladimirovae, H. tenuis (80812) H. vladimirovae (80950) H. vladimirovae, H. tenuis (96226)
Tommotian	525.5 - 521.0	Kazakhstan	H. rectus (99296 99305 99359) H. vladimirovae (99298 99315 99331 99361) H. vladimirovae, H. rectus (99297 99321 99330 99352 99353 99354 99360) H. vladimirovae, H. vitricus (99355 99356)
Tommotian	525.5 - 521.0	Russian Federation (Krasnoyarskiy Kray)	H. grandis, H. tenuis (80841)
Tommotian	525.5 - 521.0	Russian Federation (Y)	H. tenuis (10093)
Tommotian	525.5 - 521.0	Russian Federation	H. tortuosus (90089) H. vladimirovae, H. vitricus (233042)
Tommotian	525.5 - 521.0	Canada (Nova Scotia)	H. tenuis (6896)
Tommotian	525.5 - 521.0	Sweden	H. sp. (8192)
Tommotian	525.5 - 521.0	Mongolia	H. sp. (232792)
Tommotian	525.5 - 521.0	China (Hubei)	H. tenuis (155442 155444 155445) H. tenuis, H. decorus (155441)
Tommotian	525.5 - 521.0	Russian Federation (Yakutia)	H. grandis, H. tenuis (45851) H. grandis, H. vladimirovae, H. tenuis (45847 96245) H. isiticus (10067) H. sp. (45848) H. tenuis (45856) H. valdimirovae, H. tenuis (45850) H. vladimirovae, H. tenuis (45849)
Tommotian	525.5 - 521.0	Russian Federation (Sakha)	H. annulatus, H. vladimirovae, H. tenuis (232888) H. sp. (233167) H. vladimirovae, H. tenuis (232887)
Tommotian	525.5 - 521.0	United Kingdom (Warwickshire)	H. micans (10253) H. sp. (10251)
Tommotian	525.5 - 521.0	Russian Federation (Siberia)	H. sp., H. tenuis (50368) H. tschuscunensis, H. vladimirovae, H. tenuis (50319) H. vladimirovae, H. tenuis (50369 50428)
Tommotian - Atdabanian	525.5 - 516.0	Canada (Nova Scotia)	H. tenuis (6897)
Tommotian - Atdabanian	525.5 - 516.0	USA (New York)	H. micans (8235)
Atdabanian	521.0 - 516.0	Russian Federation (Yakutia)	H. tenuis (233071)
Atdabanian	521.0 - 516.0	Kazakhstan	H. vladimirovae (99299 99300 99301 99303) H. vladimirovae, H. vitricus (99324)
Atdabanian	521.0 - 516.0	Kyrgyzstan	H. vladimirovae (99325 99326 99327 99328)
Atdabanian	521.0 - 516.0	Russian Federation (Krasnoyarskiy Kray)	H. vladimirovae, H. tenuis (80843)
Atdabanian	521.0 - 516.0	Sweden	H. micans (87210)
Atdabanian	521.0 - 516.0	China (Shaanxi)	H. sp. (57690)
Atdabanian	521.0 - 516.0	Russian Federation (Siberia)	H. insolitus (174257) H. sp. (174247)
Atdabanian	521.0 - 516.0	Canada (Northwest Territories)	H. micans (9585) H. sp. (50170)
Atdabanian	521.0 - 516.0	Morocco	H. micans (80895)
Atdabanian	521.0 - 516.0	Australia (South Australia)	H. filiformis (97746 97747) H. micans (49618 97739 97741 97748 97767 97768 97778 97779 97780 97781 97782 97783 97789) H. micans, H. filiformis (96931 97740) H. sp., H. filiformis (96966)
Atdabanian	521.0 - 516.0	United Kingdom (England)	H. micans (79934)
Nangaoian - Atdabanian	521.0 - 516.0	China (Yunnan)	H. sp. (96446)
Atdabanian - Botomian	521.0 - 512.9	France (Languedoc-Rousillon)	H. sp. (232700)
Atdabanian - Botomian	521.0 - 512.9	Australia (Northern Territory)	H. sp. (80921)
Atdabanian - Botomian	521.0 - 512.9	Antarctica (South Shetland Islands)	H. micans, H. filiformis (49691)
Montezuman - Atdabanian	520.0 - 516.0	Mexico	H. sp. (10681)
Montezuman	520.0 - 515.3	Mexico	H. sp. (10680) H. spp. (203103 203104 203107)
Montezuman	520.0 - 515.3	USA (Nevada)	H. sp. (199532)
Branchian	517.1 - 509.0	United Kingdom (England)	H. micans (79928 79931 79932 79937) H. micans, H. isiticus (79939)
Branchian	517.1 - 509.0	Canada (New Brunswick)	H. sinuosus (84397 84398 84399)
Branchian	517.1 - 509.0	Canada (Newfoundland and Labrador)	H. micans (99495)
Botomian	516.0 - 512.9	Mongolia (Altaï)	H. sp. (8260)
Botomian	516.0 - 512.9	France (Languedoc-Rousillon)	H. sp. (81088)
Botomian	516.0 - 512.9	Morocco	H. micans (80850)
Botomian	516.0 - 512.9	Russian Federation (Yakutia)	H. sp. (174246) H. sp., H. tenuis (232979)
Botomian	516.0 - 512.9	USA (Nevada)	H. sp., H. insolitus (218892)
Botomian	516.0 - 512.9	Canada (Northwest Territories)	H. sp. (80957) H. vladimirovae (80961)
Botomian	516.0 - 512.9	Australia (South Australia)	H. filiformis (96916 96917 96957 96958 96963 96964) H. micans (97745 97777) H. micans, H. filiformis (96959 97751 97775) H. sp., H. filiformis (96965) H. sp., H. micans, H. filiformis (96932 97700)
Botomian - Lenian	516.0 - 510.2	Mongolia	H. lentiformis, H. vladimirovae (9994)
Lenian	516.0 - 510.2	Sweden	H. micans (87122 87123 87124 87183 87184 87186 87187 87213 87214)
Dyeran	515.3 - 511.2	USA (New York)	H. micans (78762 78763 78764 78765 78767 171821 203403) H. sp. (182)
Dyeran	515.3 - 511.2	Greenland (Freuchen Land)	H. sp. (50036)
Dyeran	515.3 - 511.2	Canada (Labrador)	H. micans (195907)
Dyeran	515.3 - 511.2	USA (Virginia)	H. micans (195) H. micras (188)
Dyeran	515.3 - 511.2	USA (Pennsylvania)	H. micans (97879)
Dyeran	515.3 - 511.2	Canada (Quebec)	H. micans (78753 78754 78755)
Dyeran	515.3 - 511.2	USA (Nevada)	H. insolitus (96417) H. sp. (199533)
Dyeran	515.3 - 511.2	Canada (Newfoundland and Labrador)	H. sp. (50783 78747 78750)
Dyeran	515.3 - 511.2	Greenland	H. micans (49456 49457 49458 49459 49461 49463 49464 49465 49466 49467 49470 49471 49472 49473 67777 67779 67780 67781 67782 67783 67785 67786 67787 67788 67789 67790 67791 67792 67793 67795 67796 67798 67799 67800)
Toyonian	512.9 - 510.2	Morocco	H. sp. (9123)
Delamaran	511.2 - 506.5	Canada (British Columbia)	H. flagellum (121957) H. sp. undt. (225278)
Delamaran	511.2 - 506.5	USA (Virginia)	H. sp. undet. (219911)
Amgan	510.2 - 504.5	Kyrgyzstan	H. sp. (156378)
Middle Cambrian	509.0 - 497.0	Greenland	H. sp. (193556)
Middle Cambrian	509.0 - 497.0	Canada (British Columbia)	H. sp. (193550 193551)
Middle Cambrian	509.0 - 497.0	Italy (Iglesiente)	H. filiformis (139878)
Menevian	504.5 - 499.5	USA (Utah)	H. sp. (10572)
Marjumian	504.5 - 497.0	USA (Utah)	H. sp. (230679)
Furongian	497.0 - 485.4	Svalbard and Jan Mayen	H. micans (212582)
Trempealeauan	492.5 - 485.4	USA (New York)	H. papillatus (74547)