The colour pattern of the Eocene Cysticidae

AFZETTINGEN WTKG 28(2), 2007 44

The colour

pattern

of the

Eocene

Cysticidae

DirkFehse*

I have also noticed the_pattemof Gibberulaovulata hut it

wasvery

pale

in my

specimens (fig. 9).

However,thereareinconsistencies

_conceming

Gibberula

acutispira.

Mr.vanNieulande showed in his

_photographs

4 and 5two shells with

_corapletely

different

_pattem.

I

as-Vande redactie

In hetmaartnummervan

Afzet-tingenvanditjaarverscheen

eenartikelvanFreddyvan

Nieulande: _{"Marginellidae}uit

het Eoceen met kleurresten'.

Dirk Fehsezaghierin een

be-vestigingvan eenin1992

door hemzelfenV. Wiese

ge-daan onderzoekenstuurde

deze reactie. It is niceto seethat the colour_pattemof the Eocene

Cys-ticidae

_{(not Marginellidae;}

_{compare Coovert &}

_Coovert)

especially

those of Gibberula vittata

(Edwards,

1855)

al-ready

described

_by

Fehse & Wiese

₍₁₉₉₂₎

has been

con-firmednow

(fig.

laen

b, 2,

3 en

4).

We have shown the colourpattemof the additional spe-cies:

• Gibberula

_subpusilla

vanNieulande,1981: 5transverse

rowsof

_surrounding

ovatedots

_(fig.

5aen

b)

• Gibberula ziczac Fehse &

_Wiese,

1992: ziczac_pattem

similar like Persicula

_{goossensi (fig. 6a,}

ben

c)

• Gibberula

_cooperi

Fehse &

_Wiese,

1992; 8 transverse

surrounding

bands

_(fig.

7aen

b, 8)

(Edwards, 1855), Lutetian,Villiers St.Frédéric,France. 1 Gibberula vittata

(Edwards,1855), subadult, Lutetian,Chateaurouge,France.

3

2 Gibberula vittata

Gibberula vittata(Edwards,1855),variation, Lutetian,Villiers St.Frédéric,France.

4 Gibberula vittata(Edwards, 1855), Lutetian, Damery,France.

5 Gibberula subpusillavanNieulande,1981,

Lutetian, La-Ferme-de-rOrme,France.

6 Gibberula ziczac Fehse &Wiese, 1992,holotype,

AFZETTINGEN WTKG 28(2),2007 45

sumethat

photograph

5 shows anadditional

specimen

of

Gibberulaovulata and in my

opinion photograph

4 shows Gibberula vittata withavariant_pattem.

We have describeda

completely

different_pattemfor

Gib-berula

_acutispira:

adaxialrowsofovatedots

_{(fig. 10).}

Literatuur

Fehse,

D. &

_Wiese,

V., 1992. Studieson some

Gibberula-species

fromtheEocene of theParisBasin

(Gastropo-da:

_{Marginellidae).}

- Schriftenzur

Malakozoologie,

5:

43-60,

pis.

11-17,text

fig.

1-3.

Nieuiande,

F.A.D. van, 2007.

Marginellidae

uit het Eoceen metkleurresten.-

Afzettingen,

28

(1),

p. 17-18.

*DirkFehse,

_{Nippeser Strafie}

3, 12524

_{Berlin, Germany,}

email:

_{Dirk.Fehse@rohde-schwarz.com}

Fehse

&Wiese, 1992, paratype,

Lutetien, La-Ferme-de-l'Orme,France 7

8 Fehse

&Wiese, 1992, paratype,

Lutetien, La-Ferme-de-l’Orme,France 9

(Lamarck, 1803), Lutetian, Villiers St,Frédéric,France.

10

(Cossmann,1889),

Lutetien, La-Ferme-de-l’Orme,France