PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Microdrillia

Gastropoda - Neogastropoda - Borsoniidae

Taxonomy

Microdrillia was named by Casey (1903) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 700]. It is extant. Its type is Pleurotoma cossmanni.

It was assigned to Gastropoda by Mansfield (1925); to Mangeliinae by Woodring (1928); to Clavinae by Woodring (1970); to Neogastropoda by Sepkoski (2002); to Turridae by Harris and Palmer (1947), Todd (2001), Baluk (2003); to Drilliinae by Wienrich and Janssen (2007); and to Borsoniidae by Bouchet et al. (2011).

Species

M. (Andersondrillia), M. comatotropis (syn. Pleurotoma (Mangelia) tiara), M. cossmanni, M. crispata, M. harrisi, M. meyeri, M. ouchitae, M. parthenoides, M. propetrina, M. tersa, M. tricincta, M. trina

Species lacking formal opinion data

M. citrona, M. hebetika, M. infans, M. minutissima, M. robustula, M. serratula

Synonymy list

Year	Name and author
1903	Microdrillia Casey p. 276
1925	Microdrillia Mansfield p. 28
1928	Microdrillia Woodring p. 196
1947	Microdrillia Harris and Palmer p. 438
1970	Microdrillia Woodring p. 389
2001	Microdrillia Todd
2002	Microdrillia Sepkoski
2003	Microdrillia Baluk p. 30
2007	Microdrillia Wienrich and Janssen p. 684
2011	Microdrillia Bouchet et al. p. 278

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Gastropoda

Rank	Name	Author
subclass	Caenogastropoda	(Cox 1959)
—	Sorbeoconcha	(Ponder and Lindberg 1997)
—	Hypsogastropoda	(Ponder and Lindberg 1997)
superorder	Latrogastropoda	Riedel 2000
order	Neogastropoda	Thiele 1929
superfamily	Conoidea	(Rafinesque 1815)
family	Borsoniidae	(Bellardi 1875)
genus	Microdrillia	Casey 1903

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.

G. Microdrillia Casey 1903

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Subg. †Microdrillia (Andersondrillia) Schnetler and Beyer 1990

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†Microdrillia (Andersondrillia) brejningensis Schnetler and Beyer 1990

Microdrillia comatotropis Dall 1881

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Invalid names: Pleurotoma (Mangelia) tiara Watson 1886 [synonym]

†Microdrillia cossmanni Meyer 1887

†Microdrillia crispata De Cristofordi 1832

†Microdrillia harrisi

†Microdrillia meyeri Cossman 1893

†Microdrillia ouchitae Harris 1937

†Microdrillia parthenoides Harris and Palmer 1947

†Microdrillia propetrina Mansfield 1925

†Microdrillia tersa Woodring 1928

†Microdrillia tricincta Edwards 1861

†Microdrillia trina Mansfield 1925

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

actively mobilesuperf

Life habit:

epifaunalsuperf

Diet:

carnivoresuperf

Vision:

limitedc

Created:

2009-09-10 08:08:14

Modified:

2009-09-10 10:08:14

Source: superf = superfamily, c = class

References: Hendy et al. 2009, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Ypresian to the top of the Early/Lower Pleistocene or 56.00000 to 0.78100 Ma
Minimum age of oldest fossil (stem group age): 47.8 Ma

Collections (159 total)

Time interval	Ma	Country or state	Original ID and collection number
Ypresian	56.0 - 47.8	USA (Alabama)	M. infans, M. sp. B (98277) M. rostratula (35080) M. rostratula, M. turriculata (92269)
Ypresian	56.0 - 47.8	United Kingdom (England)	M. tricincta (3267)
Ypresian	56.0 - 47.8	USA (Texas)	M. robustula, M. rostratula (7789) M. robustula, M. rostratula, M. sp. (83950) M. rostratula (7788 84325 84337) M. sp. (178054)
Eocene	56.0 - 33.9	USA (Texas)	M. parthenoides (232685)
Lutetian	47.8 - 41.3	USA (Alabama)	M. infans (81224)
Lutetian	47.8 - 41.3	United Kingdom (England)	M. elegantula, M. helicoides (8124) M. subturrella, M. elegantula (8125)
Lutetian	47.8 - 41.3	USA (Mississippi)	M. sp. (2414 2415)
Lutetian	47.8 - 41.3	USA (Texas)	M. aldrichiella (90651) M. citrona, M. infans (205532) M. harrisi (1452) M. infans, M. minutissima (205421) M. robustula, M. rostratula, M. sp. (205520) M. robustula, M. sp. (205527) M. rostratula (205521 205533) M. sp. (205440 205454 205496 205503)
Lutetian - Bartonian	47.8 - 38.0	USA (Texas)	M. sp. (2412 2413)
Lutetian - Priabonian	47.8 - 33.9	USA (Louisiana)	M. ouchitae (1417)
Bartonian	41.3 - 38.0	USA (South Carolina)	M. citrona (92355)
Bartonian	41.3 - 38.0	USA (Alabama)	M. robustula (2417 2453 2454) M. sp. (2418 2419 6788) M. sp., M. spp. (205489) M. spp. A (90600)
Bartonian	41.3 - 38.0	USA (Texas)	M. aldrichella (7437 7438 7439) M. aldrichiella (205447) M. aldrichiella, M. citrona, M. infans, M. sp., M. harrisi (205485) M. aldrichiella, M. citrona, M. robustula, M. sp., M. harrisi (205410) M. aldrichiella, M. harrisi (205481) M. aldrichiella, M. infans, M. harrisi (205264) M. aldrichiella, M. robustula, M. sp., M. harrisi (205422) M. elongatula (92218) M. elongatula, M. solidula (98891) M. harrisi (91798 99027 205414 205515) M. laeviplicata (90656 99026) M. ouachitae (205476) M. parthenoides (91101) M. robustula, M. sp. (205430) M. sp. (2452 205267 205424 205433 205460 205461) M. sp., M. aldrichiella (205271) M. sp., M. robustula (205266) M. spp. (92212 98747 98748 98871 205480 205484 205531)
Bartonian	41.3 - 38.0	USA (Louisiana)	M. minutissima, M. robustula (98940) M. ouachitae (205501) M. robustula (92346 92381)
Bartonian	41.3 - 38.0	USA (Mississippi)	M. cossmanni (205526) M. ouachitae (164232) M. robustula (2434) M. robustula, M. sp. (2444) M. sp. (2435 2436 2437 2438 2446 2449 2451 205498) M. sp. A (90642) M. sp. C, M. cossmanni (90704)
Priabonian	38.0 - 33.9	USA (Louisiana)	M. ouachitae (98689)
Priabonian	38.0 - 33.9	USA (Mississippi)	M. ouachitae (6802)
Rupelian	33.9 - 28.1	USA (Mississippi)	M. brevis, M. vicksburgella (5500 6005) M. infans (74077 74078 74079 74083) M. spp. (66308 66309 66328) M. vicksburgella (5612 5867 5941 5943 179336) M. vicksburgella, M. brevis (5501)
Chattian	28.1 - 23.03	Denmark	M. ingerae, Benthomangelia brejningensis (234515)
Early/Lower Miocene	23.03 - 15.97	Venezuela	M. trina (96484)
Early/Lower Miocene	23.03 - 15.97	India	M. reciproca (72033)
Miocene	23.03 - 5.333	Germany (North Rhein-Westfalia)	M. serratula (62899 62943)
Burdigalian	20.44 - 15.97	Italy	M. sp. 1 (178108)
Burdigalian	20.44 - 15.97	USA (Florida)	M. hebetika (41760 42290 42328 42366)
Langhian - Serravallian	15.97 - 11.62	Netherlands	M. serratula (186883 186884)
Middle Miocene	15.97 - 11.608	Germany (North Rhein-Westfalia)	M. serratula (61906 62867) M. serratula, M. teretiaeformis (61897)
Middle Miocene	15.97 - 11.608	Trinidad and Tobago	M. propetrina (74920) M. trina (74921 96447 96522)
Serravallian	13.82 - 11.62	USA (Florida)	M. sp. (111204 136943)
Tortonian	11.62 - 7.246	Denmark	M. serratula (98312)
Tortonian	11.62 - 7.246	Panama (Colon)	M. sp. (61334) M. trina (145251 145254 145343 145344)
Tortonian	11.62 - 7.246	Panama	M. sp. (136016) M. trina (93061 93145 93159 93160 93171 93172 93174 93175 93177)
Late/Upper Miocene	11.608 - 5.333	Indonesia (Borneo)	M. sp. (42311)
Late/Upper Pliocene	3.6 - 2.588	Mexico (Veracruz)	M. isthmica (134769) M. istmica (134767 134768)
Late/Upper Pliocene	3.6 - 2.588	Venezuela	M. trina (131218)
Late/Upper Pliocene	3.6 - 2.588	Jamaica	M. tersa (58522 69090 69094)
Piacenzian	3.6 - 2.588	Panama (Bocas)	M. sp. (79794 79988 79989)
Early/Lower Pleistocene	2.588 - 0.781	Panama (Bocas)	M. sp. (79871)