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Arca (Cunearca) esmeralda

Bivalvia - Arcida - Arcidae

Taxonomy
Arca (Cunearca) esmeralda was named by Pilsbry and Olsson (1941). It is not a trace fossil. Its type locality is Zone J - Canoa Formation, which is in a Piacenzian/Gelasian coastal sandstone/claystone in the Canoa Formation of Ecuador.

Sister species lacking formal opinion data
Anadara chavezi, Anadara eumeces, Anadara filicata, Anadara guajiraensis, Anadara megerata, A. afra, A. afra, A. aquisgranensis, A. articulata, A. aspera, A. aubersonensis, A. autissiodorensis, A. bellonii, A. bladensis, A. bravoensis, A. brongniarti, A. callipleura, A. campichiana, A. cancellata, A. carinata, A. carteroni, A. chavani, A. chemnitzii, A. compacta, A. complanata, A. consobrina, A. cornueliana, A. cossmanni, A. cottaldina, A. cruciata, A. cymadoce, A. dalmatina, A. decipiens, A. dilatata, A. dubisiensis, A. dupiniana, A. elegans, A. enfaulensis, A. ernae, A. ficalhoi, A. gabrielis, A. gambiensis, A. glabra, A. gurgitis, A. halmyrus, A. helblingii, A. hugardiana, A. illota, A. imbricata, A. impolita, A. improcera, A. jaccardi, A. keideli, A. knechteli, A. latidentata, A. limatella, A. lineata, A. macnairyensis, A. marrullensis, A. martindalensis, A. maruellensis, A. marullensis, A. megumbona, A. mikkula, A. millvillensis, A. montensis, A. montereyensis, A. moreana, A. morrumbenenesis, A. multidentata, A. mytiloides, A. nana, A. neocomiensis, A. nivea, A. nodosa, A. noe, A. obesa, A. obliqua, A. obliquata, A. pakistanica, A. pergracilis, A. philippiana, A. pilula, A. pulla, A. puntaensis, A. quindecemradiata, A. raulini, A. rhomboidalis, A. rostellata, A. sanctacrucis, A. sanctae-crucis, A. schweinfirthi, A. schweinfurthi, A. securiculata, A. securis, A. sinjdica, A. spencer, A. speyeri, A. staminata, A. strangulata, A. subnana, A. subrotracta, A. subvelata, A. tailleburgensis, A. tashiroi, A. tauroclathrata, A. tenuidentata, A. texata, A. transversa, A. triasina, A. triboleti, A. trigeri, A. umbonata, A. uniformis, A. vellicata, A. vetula, A. villersensis, A. yaquensis, A. halmyrus, A. retciulata, A. aresta, A. fennemai, A. girondica, A. gunteri, A. idonea, A. idonea, A. improcera, A. junghuhni, A. metastrebla, A. montensis, A. propearesta, A. scapha, A. subtijidamarensis, A. toroensis, A. toroensis, A. uropygmelana, A. umbonaria, A. fruthi, A. grammatodonta, A. grundensis, A. imbricata, A. kendrickensis, A. paratina, A. pencki, A. stillicidum, A. zebra, A. zebra, A. juliana, A. juliania, A. melaviensis, A. nivea, A. zenophoricola, A. aequitorialis, A. pilula, A. thalia, A. acompsa, A. dodona, A. hypomela, A. initiator, A. latidentata, A. mikkula, A. singewaldi, A. staminata, A. waltonia, A. zapotalensis, A. chaudharii, A. granulatoradiata, A. prolata, A. propinqua, A. rutimeyeri, A. shinanoensis, A. tashiroi, A. afra, A. gabrielis, A. larkini, A. sakondryensis, A. retractata, A. veatchi, A. buenavistana, A. charanensis, A. golfoyaquensis, A. grandis, A. inequilateralis, A. singewaldi, A. subcrenata, A. zapotalensis, A. zorritosensis, Cunearca megerata, Scapharca incongrus, Scapharca paraensis
Entered
by A. Hendy on 2007-01-20

Synonymy list
YearName and author
1941Arca (Cunearca) esmeralda Pilsbry and Olsson

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyArcidaeLamarck 1809
subfamilyAnadarinaeReinhart 1935
genusArcaGray 1847
subgenusCunearca
speciesesmeralda

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.

Arca (Cunearca) esmeralda Pilsbry and Olsson 1941
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Adult height: 10 to < 100f
Thickness: intermediatef
Folds: minorf
Ribbing: majorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: lagoonal, coastal, inner shelf, outer shelf, oceanic, brackish, freshwaterf
Locomotion: facultatively mobileg
Attached: yesf
Life habit: semi-infaunalg
Diet: suspension feederg
Vision: limitedf
Created: 2009-09-09 13:20:13
Modified: 2009-09-09 15:20:13
Source: g = genus, f = family
References: Mikkelsen and Bieler 2008, Sanchez Roig 1926

Age range: Late/Upper Pliocene or 3.60000 to 2.58000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pliocene3.6 - 2.58Costa Rica Arca esmeralda (66794)
Piacenzian - Gelasian3.6 - 1.8Ecuador (Manabi) Arca esmeralda (type locality: 51878)