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Branchioplax washingtoniana

Malacostraca - Decapoda - Mathildellidae

Taxonomy
Branchioplax washingtoniana was named by Rathbun (1916). Its type specimen is YPM 195, a carapace, and it is a 3D body fossil. Its type locality is Port Townsend, which is in a Rupelian marine siliciclastic in the Clallam Formation of Washington.

Synonyms
Synonymy list
YearName and author
1916Branchioplax washingtoniana Rathbun p. 345
1926Pilumnoplax hannibalanus Rathbun p. 37
1926Branchioplax washingtoniana Rathbun p. 42
1990Branchioplax washingtoniana Tucker and Feldmann p. 415
1990Neopilumnoplax hannibalanus Tucker and Feldmann p. 418
2000Branchioplax washingtoniana Schweitzer et al. p. 53
2000Neopilumnoplax hannibalanus Schweitzer et al. p. 53
2001Branchioplax washingtoniana Schweitzer p. 532
2010Branchioplax washingtoniana Schweitzer et al. p. 137
2022Branchioplax washingtoniana Schweitzer et al. p. 13 fig. 6.2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
—Hymenostraca(Rolfe 1969)
superclassMulticrustaceaRegier et al. 2010
classMalacostraca()
RankNameAuthor
subclassEumalacostracaGrobben 1892
—CaridoidaHessler 1982
orderDecapoda
suborderPleocyemataBurkenroad 1963
—Reptantia(Boas)
—MeiuraSaint Laurent 1980
infraorderBrachyura()
—Eubrachyurade Saint Laurent 1980
—HeterotremataGuinot 1977
superfamilyGoneplacoideaMacLeay 1838
familyMathildellidae()
genusBranchioplax
specieswashingtoniana

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.

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Invalid names: Pilumnoplax hannibalanus Rathbun 1926 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: infaunalf
Diet: carnivoreo
Vision: well-developedc
Created: 2022-11-16 16:34:15
Modified: 2022-11-16 16:34:15
Source: f = family, o = order, c = class
References: Fearon and Clapham 2023, Aberhan 1992, Turnsek 1997

Age range: base of the Eocene to the top of the Early/Lower Oligocene or 56.00000 to 27.30000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Selandian - Ypresian61.66 - 48.07USA (Alaska) Branchioplax washingtoniana, Neopilumnoplax hannibalanus (7953)
Eocene56.0 - 33.9USA (Washington) Branchioplax washingtoniana (139013)
Middle Eocene48.07 - 37.71USA (Washington) Branchioplax washingtoniana, Neopilumnoplax hannibalanus (202157)
Bartonian41.03 - 37.71USA (Washington) Branchioplax washingtoniana (139020) Branchioplax washingtoniana, Neopilumnoplax hannibalanus (180457)
Late/Upper Eocene37.71 - 33.9USA (Washington) Branchioplax washingtoniana (139021)
Priabonian37.71 - 33.9USA (Oregon) Branchioplax washingtoniana (202347)
Priabonian37.71 - 33.9USA (Washington) Branchioplax washingtoniana (202365)
Early/Lower Oligocene33.9 - 27.3USA (Washington) Branchioplax washingtoniana (139012)
Rupelian33.9 - 27.3USA (Washington) Branchioplax washingtoniana (type locality: 139017)
Oligocene33.9 - 23.04USA (Alaska) Branchioplax washingtoniana (139016)
Oligocene33.9 - 23.04USA (Oregon) Branchioplax washingtoniana (139014)
Oligocene - Miocene33.9 - 5.333USA (Washington) Branchioplax washingtoniana (139019)