Contributions to Zoology, 72 (2-3) 97-100 (2003)

SPB Academic Publishing bv, The Hague

Galatheids, chirostylids and porcellanids (Crustacea, Decapoda, Anomura) from the Eocene and Oligocene of (northern )

Antonio De Angeli¹ & Alessandro Garassino²

1 Associazione Amici del Museo eG. Zannatoi, Piazza Marconi, 15, 1-36075Montecchio Maggiore (Vicenza),

2 Italy; Dipartimento di Paleontologia degli Invertebrati, Museo civico di Storia naturale, C.so Venezia 55,1-

20121 Milano, Italy

Keywords: : Crustacea, Decapoda, Anomura, Eocene, Italy

Abstract Localities

At series ofcalcarenites of and Lutetian San Monte Magrèa Ypresian Feliciano Hill is located about two kilometers

is exposed. The anomuran faunas were collected from the age south of its section shows a quarry; sequence lower strata in this succession, along the road from Monte MagrË of levels similar to that at Alonte quarry. From San to . These levels, indurated and white in color, Feliciano Hill, Fabiani (1910) described Phlyc- contain nummulitid foraminifera, nodules and fragments of tenodes 1910. coralligenous algae, and moulds of corals, molluscs and other dalpiazi Fabiani,

decapod crustaceans (e.g. Cyamocarcinus angustifrons Bittner, At Alonte quarry levels dated as late Middle

1883). Eocene (Bartonian) and Priabonian are exposed.

The lower levels comprise biocalcarenites, char-

acterized the of inner moulds by presence numerous Introduction of molluscs and corals, fragmentary specimens of

Prototherium, and some crustaceans [Italialbunea in the Vicenza have Cenozoic strata area yielded lutetiana (Beschin & De Angeli, 1984), Hepatiscus

rich of fossil crustaceans for assemblages decapod poverelli Via, 1959, and Eopalicus imbricatus de

over two centuries. Numerous scientists have con- Angeli & Beschin, 2000 (see de Angeli, 1998; de

tributed our of this ofanimals, to knowledge group Angeli & Beschin, 1999, 2000)]. The middle and

which is characterized by good preservation and a levels upper at the quarry, consisting ofmarly lime-

high diversity. A recent systematic update of fos- stone, contain bryozoans, bivalves, echinoderms,

sil crustaceans of the of Vicenza decapod province and an association of calcareous nannofossils as-

by de Angeli & Beschin (2001) includes a check- signable to the lower part of the Priabonian. The list ofall well brief species known to date, as as a of the contains top quarry, comprising limestones, synthesis of the main Cenozoic that yield outcrops fragments of algae, corals, and decapod crustaceans, decapod crustaceans, recording 144 species in to- as described by de Angeli & Garassino (2002). tal. De & Garassino (2002) have recently Angeli Valmarana is situated on the northern edge of

described a rich anomuran assemblages of repre- Monti Berici. The decapod crustacean-yielding le- sentatives of the families Galatheidae Samoulle, vels here (Micromaia sp., Galathea weinfurteri 1819, Chirostylidae Ortmann, 1892, and Porcel- Bachmayer, 1950; see Beschin et al., 1985; Vica- lanidae from Eocene and Oligocene Haworth, 1825, riotto & Beschin, 1994) comprise nodular lime-

deposits in this area cal- (Ypresian coralligenous stones, containing corals, algae, rhodophytes, milio- carenites of Monte Magre, Priabonian of S. Feliciano lids and small nummulitids. These strata, of Early Hill and Alonte and Lower Oligocene of quarry Oligocene age, correspond to the Level 1 in the Valmarana and ). stratigraphic series surveyed by Fabiani (1915). 98 A. De Angeli & A. Garassino - Eocene and Oligocene Anomurafrom Vicenza

Fig. I. Eocene and Oligocene galatheids, chirostylids and porcellanids from Vicenza (carapace reconstructions, line drawings): 1 - - - Galathea berica, 2 - Lessinigalalhea regale, 3 - Palaeomunidadefecta, 4 Galathea valmaranensis, 5 Palaeomunida multicristata,

6 - 1 - Galathea cf. 8 - 9 - 10 - Acanthogalalheaparva, weinfurteri, Spathagalatheaminuta, Acanthogalatheafeldmanni, Lobipetrolisthes

- - - blowi, 11 Eumunidapentacantha, 12 - Beripetrolisthes mulleri, 13 - Eopetrolisthes striatissimus, 14 Petrolisthes bittneri, 15

- Petrolisthes vicetinus, 16 Longoporcellana lobata, 17 - Pisidia dorsosinuosa. Contributions to 72 - 2003 Zoology, (2-3) 99

Fauna and Monte Magre. This has produced Lessinigala-

thea The with regale. level decapod crustaceans, De & Garassino described associated with and Angeli (2002) a sample corals, found on the southwest-

of 194 in specimens preserved yellow calcarenites, ern of Monti Berici Alonte edge at quarry and

housed at the Museo civico di Storia naturale di S. is of Priabonian Feliciano, (Late Eocene) age. Milano and at the Museo civico “G. Zannato” Here the at amongst coralligenous branches occur (Vicenza). This has Galathea sample manni,berica, Acanthogalathea parva*, A. feld- yielded the of following species galatheids, chiro- Palaeomunida defecta*, P. multicristata, stylids and porcellanids (Fig. 1): Spathagalathea minuta, Eumunida pentacantha*,

Beripetrolisthes mulleri, Eopetrolisthes striatis- Galatheidae 1819 Samoulle, simus*, Lobipetrolisthes blowi, Longoporcellana

Acanthogalathea Muller & Collins, 1991 lobata, Petrolisthes bittneri and Pisidia dorsosi-

A. & * parva (Muller Collins, 1991) nuosa. Five of these (marked with above) have

A. de & feldmanni Angeli Garassino, 2002 been described previously from the Priabonian of Galathea Fabricius, 1793 Hungary (Ldrenthey, 1901; Ldrenthey & Beurlen,

G. berica de & Angeli Garassino, 2002 1929; Muller & Collins, 1991). Limestones with

G. valmaranensis & ie Angeli Garassino, 2002 decapod crustaceans, associated with corals, situ- G. cf. weinfurteri 1950 ated on the Bachmayer, northern slope of Monti Berici (Val- Lessinigalathea de Angeli & Garassino, 2002 Pe.rarolo, marana, plus surrounding Case Soghe area L. regale de & 2002 and S. Angeli Garassino, Gottardo) and Monti Lessini Vicentini (Monte

Palaeomunida 1901 Grumi di Ldrenthey, , plus surrounding area

P. defecta 1901 of Creazzo and Ldrenthey, Colie della Chiesa di Altavilla),

P. multicristata de & Garassino, 2002 are of These Angeli Early Oligocene age. have yielded

de 2002 Spathagalathea Angeli & Garassino, Galathea valmaranensis, G. cf. weinfurteri, Palaeo- S. minuta de & munida Angeli Garassino, 2002 defecta andPetrolisthes vicetinus. Palaeo-

Chirostylidae Ortmann, 1892 munida defecta is a widely distributed species in Eumunida Smith, 1883 Priabonian at Alonte deposits quarry and S. Feli-

E. pentacantha & and in the (Muller Collins, 1991) ciano, Lower Oligocene at Valmarana. Porcellanidae Haworth, 1825

Beripetrolisthes de Angeli & Garassino, 2002

B. mulleri de Angeli & Garassino, 2002 References

Eopetrolisthes de Angeli & Garassino, 2002

E. striatissimus Beschin Busulini (Muller & Collins, 1991) C, A, dc Angeli A, Tessier G. 1985.

II Micromaia Lobipetrolisthes de Angeli & Garassino, 2002 genere Bittner (Crustacea, Decapoda) nel Terziario delliarea dei Berici e dei Lessini con descrizione L. blowi de Angeli & Garassino, 2002 di tre nuove specie. Lavori Soc. venez. Sci. nat. 10: 97- Longoporcellana Muller & Collins, 1991 119. L. lobata de & 2002 Angeli Garassino, Beschin de C, Angeli A & Checchi A. 2001. Crostacei

Petrolisthes 1858 associati Stimpson, Decapod! a coralli della “Formazione di Cas- P. bittneri de Angeli & Garassino, 2002 telgomberto” (Oligocene) (Vicenza - Italia settentrionale).

Studi e Ricerche Assoc. Amici P. vicetinus Beschin, de Angeli & Checchi, Mus. civ “G. Zonnato", Montecchio 2001 Maggiore (Vicenza) 2001: 13-30.

de Angeli A. 1998. Gli Albuneidae (Crustacea, Hippoidea) Pisidia Leach, 1820 del Terziario vicentino (Italia settentrionale). Studi e Ri- P. dorsosinuosa de & Garassino, 2002 cerche Angeli Assoc. Amici Mus. civ. "G. Zonnato", Montecchio

Maggiore (Vicenza) 1998: 17-20.

These de Angcli Beschin C. 1999. I crostacei taxa are typical of coralligenous settings A, Matutinae (Bra- that chyura, Calappidae) delliEocenedel (Italia setten- characterize three main formations, the oldest Studi Ricerche Assoc. trionale). e Amici Mus. civ “G. °f which of is Ypresian (Early Eocene) date, situ- Zonnato", Montecchio Maggiore (Vicenza) 1999; 11-22. ated near Contrada Gecchelina of Monte di Malo de Angeli A, Beschin C. 2000. Due nuove specie di Eopalicus 100 A. De Angeli & A. Garassino - Eocene and Oligocene Anomurafrom Vicenza

(Dccapoda, Palicidae) ncl Terziario del Veneto (Italia Magyarorszagbol. Math. Termesz. Kdzlem., vonatk. hazia

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“G. Zonnato", Montecchio Maggiore (Vicenza) 2000; 7- Lorenthcy IE, Beurlen K. 1929. Die fossilen Dekapoden

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Soc. Sci. Mus. civ. Storia Milano 30: 1-40. 1950 nelli del Monti Berici Setten- it. nat. nat. mayer, Oligocene (Italia

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Lorenthey IE. 1901. ‘Andorina’ es ‘Daranyia’ ket (lij raknem Received; 2 March 2003