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Ohesaareaspis

Osteostraci - Cephalaspidiformes

Taxonomy

Species

Synonymy list
YearName and author
2014Ohesaareaspis Märss et al. p. 142

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumVertebrata
superclassOsteostracomorphi
classOsteostraci(Lankaster 1868)
orderCephalaspidiformesBerg 1937
genusOhesaareaspis

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. †Ohesaareaspis Märss et al. 2014
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Ohesaareaspis ponticulata Märss et al. 2014
Diagnosis
ReferenceDiagnosis
T. Märss et al. 2014Exoskeletal fragments covered with robust, relatively high and wide elongate tubercles and short ridges; anterior part of tubercles/ridges smoothly rounded; posterior part of tubercles/ridges pointed; ridges horizontal or just slightly rised posteriorly; tubercles and elongate ridges often connected by short bridge-like ridgelets; exoskeleton of three layers, strongly developed and characterised by significant thickness; the vascular plexi of the middle layer well developed in the tubercles and ridges and in the basal plate.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilep
Created: 2017-04-17 15:11:50
Modified: 2017-04-17 15:11:50
Source: subp = subphylum, p = phylum
References: Carroll 1988, Kiessling 2004

Age range: Ohesaare or 421.60000 to 419.62000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Ohesaare421.6 - 419.62Estonia (Saare) O. ponticulata (193837)