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Inoceramus contracostae

Bivalvia - Myalinida - Inoceramidae

Taxonomy
Inoceramus contracostae was named by Anderson (1958). It is a 3D body fossil. Its type locality is CAS loc. 29084, Round Valley, which is in a Campanian marine horizon in California.

Sister species lacking formal opinion data
I. agapensis, I. agdjakendensis, I. algeriensis, I. allani, I. altus, I. altusiformis, I. anakusensis, I. andersoni, I. anglicus, I. anglicus, I. angulatus, I. angustiundulatus, I. angustus, I. annulatus, I. atlanticus, I. aucella, I. australis, I. awajiensis, I. azerbaydjanensis, I. bakalovi, I. balchii, I. balticus, I. balticus, I. balticus, I. balticus, I. barabini, I. barsliensis, I. bebahoaensis, I. bellevuensis, I. bererensis, I. biconstrictus, I. bicorrugatus, I. bojarkensis, I. borealis, I. borilensis, I. buguntaensis, I. bulbus, I. caddotensis, I. cadottensis, I. capitatus, I. capulus, I. cardissoides, I. caucasicus, I. concentricus, I. conicus, I. corpulentas, I. costellatus, I. costellatus, I. crippsi, I. crippsii, I. crispi, I. crispii, I. crispus, I. cummingsi, I. curvieri, I. dariensis, I. deltoides, I. dresdensis, I. elongatus, I. equalis, I. etheridgei, I. eulessanus, I. euxinus, I. ewaldi, I. eximius, I. faragi, I. fiegei, I. fiegei, I. flavus, I. fukadae, I. furukawensis, I. fyfei, I. grandis, I. gusselkaensis, I. hakarius, I. heinzi, I. hetonaianus, I. higoensis, I. hoepeni, I. iburiensis, I. inaequabilis, I. inaequivalvis, I. incurvus, I. inflatus, I. inkermanensis, I. ipuanus, I. kapuus, I. kojakensis, I. korjakensis, I. kryshtofovichi, I. kusiroensis, I. labiatiformis, I. labiatoidiformis, I. lamarcki, I. lamarcki, I. lapparenti, I. lingus, I. lobatus, I. lundreckensis, I. madagascariensis, I. maedae, I. makarovi, I. mamatensis, I. mandembataensis, I. marathonensis, I. matotorus, I. mechanquilensis, I. mihoensis, I. moresbyensis, I. muelleri, I. mytiloidiformis, I. naganoensis, I. neocaledonicus, I. nodai, I. nukeus, I. oblongus, I. obtusus, I. oosteri, I. opetius, I. orientalis, I. orlovkaensis, I. paraketzovi, I. parvus, I. pedalionoides, I. percostatus, I. perfragilis, I. pertenuis, I. pilvoensis, I. pochialaineni, I. proximus, I. pseudocurvieri, I. pseudoregularis, I. quadrans, I. quatsinoensis, I. rangatira, I. reduncus, I. renngarteni, I. richensis, I. sagensis, I. saratoviensis, I. schloenbachi, I. schluetheri, I. schoendorfi, I. schöndorfi, I. shamati, I. sichotealinensis, I. spitzbergensis, I. stilley, I. stoliczkai, I. stoneleyi, I. striatoconcentricus, I. striatoconcentricus, I. striatoconcentricus, I. stuemckei, I. subcircularis, I. subneocomiensis, I. subpercostatus, I. sutherlandi, I. tamulicus, I. tauricus, I. tenuis, I. tenuistriatus, I. tenuistriatus(), I. tenuiumbonatus, I. tolmatchevi, I. tuberosus, I. typicus, I. tyrrelli, I. umbonatus, I. urius, I. ururoaensis, I. vanuxemi, I. vanuxemiformis, I. volgensis, I. walterdorfensis, I. waltersdorfensis, I. waltersdorfensis, I. waltersdorfensis, I. wandereri, I. warakius, I. winkholdioides, I. yokoyamai, I. yuasai, I. zavoljiensis, I. concentrica, I. concentricus, I. concentricus, I. concentricus, I. balticus, I. bueltenensis, I. muelleri, I. muelleri, I. browni, I. schloenbachi, I. goldfussi, I. quadrans, I. tenuilineatum, I. grandis, I. angulosus, I. hetonaianus, I. iburiensis, I. maedae, I. mihoensis, I. pedalionoides, I. sharmai, I. tenuistriatus, I. subquadratus, I. subquadratus, I. karakuwensis, I. hashiurensis, I. rhomboides, I. ogurai, I. utanoensis, I. bornholmensis, I. cardissoides, I. elegans, I. guerichi, I. lundbrekensis, I. nasutus, I. orientalis, I. orientalis, I. patootensiformis, I. steenstrupi, I. subcardissoides, I. yokoyamai, I. alievimussensis, I. grandis

Synonymy list
YearName and author
1958Inoceramus contracostae Anderson p. 103 figs. Plate 18, figures 3, 4; Plate 55, figure 3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
OstreioniFerussac 1822
MyalinataPaul 1939
orderMyalinidaPaul 1939
superfamilyInoceramoideaGiebel 1852
familyInoceramidae
genusInoceramus
speciescontracostae

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.

Inoceramus contracostae Anderson 1958
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Diagnosis
ReferenceDiagnosis
F. M. Anderson 1958The shell is small, thin, subovate in outline; beaks terminal, hinge line short; posterior border nearly straight, base broadly rounded ; surface marked by fine, sharp concentric ridges separated by broader interspaces ; valves little inflated, compressed ; in young stages of growth the beak is narrow and high ; in older stages the shell becomes elongated and more narrowly ovate.