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Heterocaryon

Trilobita - Harpetida - Heterocaryonidae

Taxonomy
Heterocaryon was named by Raymond (1937) [Sepkoski's age data: Cm Trep-l Cm Trep-u Sepkoski's reference number: 484,697]. It is not extant. It is the type genus of Heterocaryonidae.

It was assigned to Ptychopariida by Sepkoski (2002); to Harpetidae by Jell and Adrain (2002); and to Heterocaryonidae by Beech and Lamsdell (2021).

Species
H. tuberculatum
Species lacking formal opinion data
H. vargum

Synonymy list
YearName and author
1937Heterocaryon Raymond
2002Heterocaryon Jell and Adrain p. 384
2002Heterocaryon Sepkoski
2021Heterocaryon Beech and Lamsdell p. 2220

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderHarpetida(Whittington 1959)
familyHeterocaryonidaeHupé 1953
genusHeterocaryonRaymond 1937

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. †Heterocaryon Raymond 1937
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†Heterocaryon tuberculatum Rasetti 1944
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: carnivorec
Vision: well-developedg
Created: 2010-02-01 10:47:31
Modified: 2010-02-01 12:47:31
Source: g = genus, c = class
References: Aberhan et al. 2004, Jell and Adrain 2002

Age range: base of the Trempealeauan to the top of the Sunwaptan or 492.50000 to 487.50000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Merioneth497.0 - 485.4USA (Vermont) H. platystigma (8976)
Sunwaptan493.5 - 487.5Canada (Alberta) H. vargum (54094 54096 81297 81298 81301)
Sunwaptan493.5 - 487.5Canada (Newfoundland and Labrador) H. platystigma (81270 81285) H. platystigma, H. tuberculatum (81269)
Trempealeauan492.5 - 485.4Canada (Quebec) H. tuberculatum (224136 224138 224139)
Trempealeauan492.5 - 485.4Canada (Newfoundland and Labrador) H. sp. (105858)
Trempealeauan492.5 - 485.4USA (Nevada) Heterocaryon indet. (50831)