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Taxonomy
Leptocardia was named by Meek (1876) [Sepkoski's age data: K l K Maes]. It is not extant.
It was reranked as Protocardia (Leptocardia) by Schneider (1995).
It was assigned to Protocardiinae by Vokes (1980); to Protocardia by Schneider (1995); and to Veneroida by Sepkoski (2002).
It was reranked as Protocardia (Leptocardia) by Schneider (1995).
It was assigned to Protocardiinae by Vokes (1980); to Protocardia by Schneider (1995); and to Veneroida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Cardium nicolletti, Leptocardia subquadrata, Protocardia africana, Protocardia africana, Protocardia amanoi, Protocardia anglica, Protocardia anglica, Protocardia bannesianum, Protocardia barneyi, Protocardia beiha, Protocardia bella, Protocardia besairiei, Protocardia bipi, Protocardia buckmani, Protocardia concinna, Protocardia consobrina, Protocardia contusa, Protocardia coquandi, Protocardia coquandi, Protocardia delicatula, Protocardia dufrenoyi, Protocardia dyenisea, Protocardia dyonisea, Protocardia dyonisea, Protocardia eparcyensis, Protocardia filosa, Protocardia gigantea, Protocardia goradongarensis, Protocardia goradongarensis, Protocardia grandidieri, Protocardia grandidieri, Protocardia guadalupense, Protocardia hepingxiangensis, Protocardia hepingxiangensis, Protocardia hillama, Protocardia hillanum, Protocardia hiraigensis, Protocardia ibukii, Protocardia ibukii, Protocardia impressa, Protocardia inaii, Protocardia jacksonense, Protocardia judaica, Protocardia kachchhensis, Protocardia keerae, Protocardia kurumensis, Protocardia lodraniensis, Protocardia lycetti, Protocardia lycetti, Protocardia marcosensis, Protocardia meridionalis, Protocardia moabitica, Protocardia morii, Protocardia morinica, Protocardia morrisea, Protocardia moshuiwanensis, Protocardia moutai, Protocardia multistriata, Protocardia olea, Protocardia onoi, Protocardia oxynoti, Protocardia parahillana, Protocardia patchamensis, Protocardia peralraensis, Protocardia peraltaensis, Protocardia peraltaensis, Protocardia peregrina, Protocardia peregrina, Protocardia pertenuis, Protocardia pervinquierei, Protocardia phillipiana, Protocardia phillipiana, Protocardia phillipsi, Protocardia prisca, Protocardia querangeri, Protocardia rahmuensis, Protocardia rara, Protocardia regulare, Protocardia sastry, Protocardia schencki, Protocardia schenki, Protocardia schucherti, Protocardia semidecussata, Protocardia semipunctata, Protocardia shehuensis, Protocardia silicea, Protocardia sislimanensis, Protocardia sphaeroidalis, Protocardia sphaeroidea, Protocardia sphaeroidea, Protocardia spillmani, Protocardia spillmani, Protocardia striata, Protocardia strickland, Protocardia striuatula, Protocardia subhillanum, Protocardia subrhaetica, Protocardia substricklandi, Protocardia subtruncata, Protocardia subtruncata, Protocardia suprajurensis, Protocardia tenuicostata, Protocardia texana, Protocardia tikechkachensis, Protocardia timberensis, Protocardia torta, Protocardia tosensis, Protocardia tosensis
Synonymy list
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Todd 2001 | |||||
Age range: base of the Early/Lower Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | Canada (Alberta) | Protocardia borealis (87439) | |
| Late/Upper Campanian | USA (Montana) | Leptocardia borealis (213075 213079 213080) Leptocardia subquadrata, Leptocardia borealis (212997) | |
| Late/Upper Campanian | Canada (Alberta) | Protocardia borealis, Gervillia borealis (82638 82639 82641) | |
| Late/Upper Campanian | Canada (Saskatchewan) | Gervillia borealis (87441) | |
| Middle Campanian | Canada (Alberta) | Protocardia borealis (82686) | |
| Early/Lower Maastrichtian | Canada (Alberta) | Protocardia borealis (82645) | |
| Late/Upper Maastrichtian | Canada (Alberta) | Protocardia borealis (82643) | |
| Maastrichtian | USA (Montana) | Leptocardia subquadrata (213081) |