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Microparamyinae
Taxonomy
Subtaxa
Synonymy list
Year | Name and author |
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1962 | Microparamyinae Wood |
2001 | Microparamyinae Dawson p. 1110 |
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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.
Subfm. †Microparamyinae Wood 1962
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G. †Hartenbergeromys Escarguel 1999
G. †Masillamys Tobien 1954
G. †Microparamys Wood 1959
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†Microparamys bayi Dawson 2001
†Microparamys chandoni Hartenberger 1971
†Microparamys cheradius Ivy 1990
†Microparamys dubius Wood 1949
†Microparamys hottingeri Marandat 1989
†Microparamys hunterae Ivy 1990
†Microparamys lingchaensis Li et al. 1979
†Microparamys minutus Wilson 1937
†Microparamys nanus Teilhard de Jardin 1927
†Microparamys nimius Storer 1988
†Microparamys paisi Estravís 1994
†Microparamys perfossus Wood 1974
†Microparamys sambucus Korth and Emry 1989
†Microparamys scopaiodon Korth 1984
†Microparamys solidus Storer 1984
†Microparamys solis Dawson and Constenius 2018
†Microparamys tricus Wilson 1940
†Microparamys woodi Kelly and Whistler 1994
G. †Pantrogna Hartenberger 1971
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†Pantrogna marandati Escarguel 1999
†Pantrogna russelli Michaux 1964
G. †Sparnacomys Hartenberger 1971
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†Sparnacomys chandoni Hartenberger 1971
†Sparnacomys georgei Hooker 2010
Diagnosis
Reference | Diagnosis | |
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M. R. Dawson 2001 | Small- to medium-sized ischyromyid rodents; dental formula 1/1, 0/0, 2/1, 3/3. Lower molars have well-developed anterior cingulum; at least in early wear stages, anterior cingulum is separated by a buccal groove from the protoconid; buccal end of anterior cingulum may be cuspate; trigonid short anteroposteriorly with small trigonid basin; tendency toward strong transverse component in lophids of
lower molars, with metalophid and hypolophid from short to complete; mesoconid rounded; entoconid separated by groove from posterolophid. Upper molars have distinct hypocone; protoloph and metaloph directed toward protocone. Occlusal pattern on lower molars varies from simple (Microparamys) to complicated by numerous small folds and crenulations (Lophiparamys, Mattimys). |
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Carroll 1988, Nowak 1999, Hendy et al. 2009, Ji et al. 2002 |
Age range: base of the Ypresian to the top of the Duchesnean or 56.00000 to 37.20000 Ma
Collections (149 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Paleocene - Early/Lower Eocene | USA (Wyoming) | Microparamys cheradius (80579) | |
Clarkforkian | USA (Wyoming) | Microparamys cheradius, Microparamys sp. (15085) | |
Ypresian | Belgium (Brabant) | Microparamys nanus (35531) | |
Ypresian | France (Île-de-France) | Microparamys n. sp. (68437) | |
Ypresian | France (Marne) | Pantrogna russelli (35533) | |
Ypresian | United Kingdom (England) | Microparamyinae indet. (174239) Microparamys nanus (133368) Pantrogna mandati (68439) Sparnacomys sp., Sparnacomys georgei, Pantrogna russelli (38868) | |
Ypresian - Lutetian | France (Languedoc-Roussillon) | Microparamys sp. (182519) | |
Ypresian - Lutetian | France (Languedoc-Roussillon Region) | Microparamys sp. (31717) | |
Graybullian | USA (Wyoming) | Microparamys cheradius (15701) | |
Lostcabinian | USA (Wyoming) | Microparamys sp., Mattimys kalicola (15930) Microparamys sp., Mattimys sp. (15917) | |
Lysitean - Lostcabinian | USA (Wyoming) | Microparamys sp. (15451) | |
Wasatchian | USA (Colorado) | Paramyinae indet. (15660) | |
Wasatchian | USA (California) | Microparamys sp. (15677 15678) | |
Wasatchian | USA (New Mexico) | Mattimys kalicola (15446) | |
Wasatchian | Canada (Northwest Territories) | Microparamys bayi, Strathcona major, Strathcona minor (15583) | |
Wasatchian | USA (Wyoming) | Mattimys kalicola (15942) Microparamys cheradius (15692 15694 46821) Microparamys hunterae (15673 15773 118482) Microparamys sp. (15493 15504 15729 27268 46696 46800) | |
Early/Lower Eocene | France (Corbieres) | Microparamys hottingeri (92838) | |
Early/Lower Eocene | China (Hunan) | Microparamys lingchaensis (180725) | |
Early/Lower Eocene | France (Var) | Microparamys chandoni (35538) | |
Early/Lower Eocene | USA (Wyoming) | Microparamys hunterae (15700 80580) | |
Early/Lower Eocene | Portugal (Região Centro) | Microparamys paisi, Microparamys nanus (79200) | |
MP 10 | Spain (Catalonia) | Microparamys sp., Microparamys chandoni (182236) | |
MP 10 - MP 11 | France | Masillamys beegeri, Microparamys sp. (183396) | |
Early/Lower Eocene - Middle Eocene | United Kingdom (England) | Pantrogna sp. 1 (3256) | |
Bridgerian | USA (Nevada) | Mattimys sp., Microparamys sambucus (16218) | |
Bridgerian | USA (Utah) | Microparamys minutus (16396) | |
Bridgerian | USA (Wyoming) | Mattimys kalicola (16207 16415) Microparamys minutus (16092 16097 16098 16105 16107 16113 16137 16305 16309 16315 16418) Microparamys sp. (15837 16296 16499) Microparamys sp., Microparamys minutus (16219 16227 16441) | |
MP 13 - MP 14 | France (Quercy) | Microparamyinae indet. (36875) | |
Middle Eocene | Spain (Salamanca) | Microparamys sp. (41311) | |
Lutetian | Spain (Zamora) | Microparamys sp. (79704) | |
Lutetian | France (Languedoc-Roussillon Region) | Microparamys monspeliensis (31762) | |
Early/Lower Uintan | USA (California) | Microparamys minutus (16666 16669 16673 16674 16677 16678 16684 16689 16697 16702 16705 16706 16707 16708 16709 16710 16713 16714 16715 16716 16736 16737 16738 16745 16746 16747 16748 16750 16751 16752 16762) Microparamys sp. (16718 16719 16733 16734) Microparamys woodi (16694 16763 16764 16765) | |
Early/Lower Uintan | USA (Texas) | Microparamys minutus, Lophiparamys sp. (16651) | |
Late/Upper Uintan | Canada (Saskatchewan) | Microparamys dubius, Microparamys solidus (16626) | |
Late/Upper Uintan | USA (California) | Microparamys sp. (16780) Microparamys woodi (16585 16766 16815 167831) | |
Late/Upper Uintan | USA (Texas) | Microparamys sp. (16542 16614) | |
Uintan | USA (Utah) | Microparamys dubius (16654) Microparamys sp. (213066) | |
Uintan | USA (Texas) | Microparamys minutus (16587) Microparamys sp. (16624) | |
Uintan | USA (California) | Microparamys sp. (16603) Microparamys tricus (16590 16796 16798 16799) Microparamys woodi (16615 16784 16786 16787 16789 16793) | |
Uintan | USA (Wyoming) | Microparamys dubius (16513 16514 16517 16630) | |
Uintan | USA (Montana) | Microparamys sp., Microparamys solis (222922 222923) | |
Late/Upper Uintan - Duchesnean | USA (California) | Microparamys minutus (16616) Microparamys sp. (16529) | |
Uintan - Duchesnean | USA (California) | Microparamys tricus (16533) | |
Duchesnean | USA (Wyoming) | Microparamys dubius (16826) Sciuravus dubius (16884) | |
Duchesnean | Canada (Saskatchewan) | Microparamys sp. (16845) | |
Duchesnean | USA (Texas) | Microparamys perfossus (16822 16837 16851) | |
Duchesnean | USA (California) | Microparamys tricus (16804 16806 16809 16810) |