Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Hyolithellus

Hyolithelminthida - Hyolithellidae

Synonyms
Synonymy list
YearName and author
1872Hyolithellus Billings
1962Hyolithellus Fisher p. 132
1969Hyolithellus Rozanov et al. p. 177
2002Hyolithellus Sepkoski, Jr.
2002Rhabdochites Sepkoski, Jr.
2006Hyolithellus Skovsted p. 1100
2008Hyolithellus Landing et al. p. 901
2010Hyolithellus Parkhaev and Demidenko p. 941

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RankNameAuthor
kingdomAnimalia()
phylumProblematica
orderHyolithelminthidaFischer 1962
RankNameAuthor
familyHyolithellidae
genusHyolithellus

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
ReferenceDiagnosis
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."