Gastrochaenolites
Gastrochaenolites (G) andEntobia (E) in limestone cobble from the Los Banós Formation, Upper Miocene, SE Spain.
Trace fossil classification
Ichnofamily:	†Gastrochaenolitidae
Ichnogenus:	†Gastrochaenolites Leymerie, 1842
Type ichnospecies
Gastrochaenolites lapidicus Kelly & Bromley, 1984
Ichnospecies[1]
G. ampullatusKelly & Bromley, 1984 G. anauchenWilson & Palmer, 1998 G. cluniformisKelly & Bromley, 1984 G. corBromley & D’Alessandro, 1987 G. dijugusKelly & Bromley, 1984 G. hospitiumKleemann, 2009 G. japonicus(Hatai et al., 1974) G. lapidicusKelly & Bromley, 1984 G. oelandicusEkdale & Bromley, 2001 G. orbicularisKelly & Bromley, 1984 G. ornatusKelly & Bromley, 1984 G. pickerilliDonovan, 2002 G. raigadensis(Badve & Ghare, 1984) G. turbinatusKelly & Bromley, 1984 G. vivusEdinger & Risk, 1994
Synonyms[1]
MoniopterusHataiet al., 1974 PaleolithophagaChiplonkar & Ghare, 1976 PaleolithopholasBadve & Ghare, 1984

Gastrochaenolites is atrace fossil formed as a clavate (club-shaped) boring in a hard substrate such as a shell, rock or carbonatehardground. The aperture of the boring is narrower than the main chamber and may be circular, oval, or dumb-bell shaped.^[2]Gastrochaenolites is most commonly attributed tobioeroding bivalves such asLithophaga andGastrochaena.^[3] The fossil ranges from theOrdovician to the Recent.^[4][5] The first Lower JurassicGastrochaenolites ichnospecies isGastrochaenolites messisbugi Bassi, Posenato, Nebelsick, 2017. This is the first record of boreholes and their producers (mytilid bivalves) in one of the larger bivalves of the globally occurring Lithiotis fauna which is a unique facies in the Lower Jurassic Tethys and Panthalassa.

• Bassi, D., Posenato, R., Nebelsick, J.H., Owada, M., Domenicali, E., Iryu, Y. (2017). "Bivalve borings in Lower Jurassic Lithiotis fauna from northeastern Italy and its palaeoecological interpretation".Historical Biology.29 (7):937–946.doi:10.1080/08912963.2016.1265956.hdl:11392/2373090.S2CID 132901459.{{cite journal}}: CS1 maint: multiple names: authors list (link)
• Bassi, D., Braga, J.C., Owada, M., Aguirre, J., Lipps, J.H., Takayanagi, H., Iryu, Y. (2020)."Boring bivalve traces in modern reef and deeper water macroid and rhodolith beds".Progress in Earth and Planetary Science.7 (1): 41.Bibcode:2020PEPS....7...41B.doi:10.1186/s40645-020-00356-w.hdl:10481/64249.{{cite journal}}: CS1 maint: multiple names: authors list (link)

• Gastrochaenolites systematics and diagrams (in German).

• Boring fossils
• Ichnotaxa

• CS1 maint: multiple names: authors list
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• Articles with 'species' microformats