PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Healdia simplicissima

Ostracoda - Podocopida - Healdiidae

Taxonomy

Healdia simplicissima was named by Harlton (1933). Its type specimen is USNM 85559 and is a 3D body fossil. Its type locality is Johns Valley Shale, Ouachita Mountains loc. 10, which is in a Pennsylvanian marine shale in the Johns Valley Formation of Oklahoma.

Sister species lacking formal opinion data

H. absentia, H. alba, H. alveolata, H. arcuata, H. boggyensis, H. canyensis, H. ciscoensis, H. colinyi, H. cornigera, H. cypha, H. dahlgrueni, H. etaulensis, H. felsoorsensis, H. formosa, H. glennensis, H. harltoni, H. leguminoidea, H. limacoidea, H. longa, H. malotti, H. marginata, H. miranda, H. nucleolata, H. oblonga, H. oklahomaensis, H. ornata, H. overbrookensis, H. parva, H. postcornuta, H. pseudosimplex, H. punctata, H. quadrispinosa, H. squamosa, H. subcircinantis, H. subtriangula, H. torquata, H. unicornis

Synonymy list

Year	Name and author
1933	Healdia simplicissima Harlton p. 26 figs. pl. 7, figs. 7a-c

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Gravenhorst 1843
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997

Rank	Name	Author
—	Hymenostraca	(Rolfe 1969)
superclass	Oligostraca	Zrzavý et al. 1997
class	Ostracoda
subclass	Podocopa	Sars 1865
order	Podocopida	Sars 1866
suborder	Metacopina	Sylvester-Bradley 1961
superfamily	Healdioidea	(Harlton 1933)
family	Healdiidae
genus	Healdia	Roundy 1926
species	simplicissima

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.

†Healdia simplicissima Harlton 1933

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitec

Environment:

marinec

Locomotion:

actively mobilec

Life habit:

epifaunalo

Diet:

detritivoreo

Diet 2:

grazero

Vision:

limitedc

Created:

2010-02-05 02:00:00

Modified:

2010-02-24 05:16:56

Source: o = order, c = class

References: Kiessling 2004, Jell and Adrain 2002

Age range: Morrowan or 323.40000 to 318.60000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Morrowan	323.4 - 318.6	USA (Texas)	Healdia simplicissima (236937)
Early/Lower Pennsylvanian	323.4 - 315.2	USA (Oklahoma)	Healdia simplicissima (type locality: 132878)