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Portunites nodosa

Malacostraca - Decapoda - Carcinidae

Taxonomy
Portunites nodosus was named by Schweitzer and Feldmann (2000). It is a 3D body fossil. Its type locality is RB-32, Kydikabbit Point, which is in a Priabonian submarine fan siltstone in the Hoko River Formation of Washington.

It was corrected as Portunites nodosa by Schweitzer et al. (2010).

Sister species lacking formal opinion data
P. obvallatus

Synonymy list
YearName and author
2000Portunites nodosus Schweitzer and Feldmann p. 638 figs. Figures 1, 2
2010Portunites nodosa Schweitzer et al. p. 108

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
—Hymenostraca(Rolfe 1969)
superclassMulticrustaceaRegier et al. 2010
classMalacostraca()
subclassEumalacostracaGrobben 1892
RankNameAuthor
—CaridoidaHessler 1982
orderDecapoda
suborderPleocyemataBurkenroad 1963
—Reptantia(Boas)
—MeiuraSaint Laurent 1980
infraorderBrachyura()
—Eubrachyurade Saint Laurent 1980
—HeterotremataGuinot 1977
superfamilyPortunoideaRafinesque 1815
familyCarcinidaeMacLeay 1838
subfamilyPolybiinaePaulson 1875
genusPortunites
speciesnodosa()

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.

†Portunites nodosa Schweitzer and Feldmann 2000
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Diagnosis
ReferenceDiagnosis
C. E. Schweitzer and R. M. Feldmann 2000Carapace wider than long, ovate-hexagonal; in- ner orbital spines triangular; orbits quadrate, directed forward; anterolateral margins with five spines including outer orbital spines; epibranchial region arcuate, with two large tubercles; branchial regions with weak, longitudinal ridges; posterolateral margins concave; posterior corner with well-developed reen- trant.
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: semi-infaunalf
Diet: carnivoreo
Vision: well-developedc
Created: 2022-11-16 17:22:41
Modified: 2022-11-16 17:22:41
Source: f = family, o = order, c = class
References: Turnsek 1997, Fearon and Clapham 2023, Aberhan 1992

Age range: Priabonian or 38.00000 to 33.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Priabonian38.0 - 33.9USA (Washington) Portunites nodosus (type locality: 202365)