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Helodus planus

Chondrichthyes - Helodontiformes - Helodontidae

Taxonomy
Helodus planus was named by Agassiz (1843). It is not extant.

Synonymy list
YearName and author
1843Helodus planus Agassiz
1855Helodus planus M'Coy p. 631 figs. pl. 3I, figs. 12-15

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderHelodontiformes
familyHelodontidae
genusHelodus
speciesplanusAgassiz 1843

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.

†Helodus planus Agassiz 1843
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 06:36:22
Modified: 2009-07-21 08:36:22
Source: o = order, subp = subphylum
References: Wagner 2023, Carroll 1988, Hendy et al. 2009

Age range: Mississippian or 358.86000 to 323.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Mississippian358.86 - 323.4United Kingdom Helodus planus (132781)